Fortune Telling Collection - Horoscope - What does it mean to keep saying that OBD is in the car now? Does anyone know? Thank you! ...
What does it mean to keep saying that OBD is in the car now? Does anyone know? Thank you! ...
Characteristics of biochemical oxygen demand
Unified standard of DLC diagnostic seat
Significance and classification of BOD-II fault code
Continued OBD-Ⅱ standard fault code retrieval table
The OBD-II fault code is customized by the manufacturer (after P 10000).
(a) the characteristics of biochemical oxygen demand II:
1. The shape of the unified vehicle diagnosis seat is 16PIN.
2. It has numerical analysis data transmission function (DLC for short).
3. Unify the same fault codes and meanings of all vehicles.
It has the function of driving recorder.
5. It has the function of re-displaying memory fault codes.
6. It has the function of clearing the fault code directly by the instrument.
(II) Unified standards for DLC diagnostic seats:
1. The data link connector diagnosis seat is a unified 16 pin, which is installed in the cab and under the dashboard on the driver's side.
2.2 description. DLC pin pin:
There are two standards for data transmission lines:
■ISO= European unified standard. (Internal standard
Use No.7, 15 sales organization 194 1-2)
■SAE= American uniform standard. (SAE-JI850)
Use 2# and 10# pins.
Standard pin pin function: -OBD-II-DLC connector
1# provides factory application 9# provides factory application.
2# SAEJ 1850 data transmission line 10# SAE factory data transmission line.
3# provides factory application 1 1# provides factory application.
4# body is directly grounded 12# is provided by the manufacturer.
5# signal loop grounding 13# is provided by the manufacturer.
6# provides factory application 14# provides factory application.
Data transmission line k15 # ISO-9141-2 and data transmission line L+04 1-2.
8# provides the factory with the positive power supply of 16# direct battery.
3. Since June 1990 1 1, SAE has formulated bulletin J2054- "Diagnostic Data Communication Standard".
One mode is called (DTM)-diagnostic test mode.
Diagnostic communication mode specified in 14 bulletin SAE-J2054:
Mode working energy mode working energy
0 returns to normal mode 7 numerical instruction display
1 transmit diagnostic data 8 Cut off normal transmission.
2 Memory data erasure 9 Connection normal transmission
3 Check the RAM data 10 to erase the fault memory.
4 Component control function 1 1 Pause normal transmission.
5 RAM data download 12 defines diagnosis according to numerical position.
6 RAM data modification 13 Diagnose according to the internal code definition of the memory.
In April and June, 199 1 and J 1979 were finalized by SAE and revised to-
Diagnostic test mode standards are OBD system (federal) and OBD-II system (California)-ON.
-Diagnostic board, made in seven models, called (OBD on-board diagnostic system -II)
Seven diagnostic test modes specified in bulletin SAE-J 1979:
Mode $0 1-
◎ Current engine diagnostic numerical requirements
◎ Analog input/output signals
◎ Digital input/output signal
System status information
◎ Comprehensive calculation data value mode $03 Engine diagnosis related to exhaust gas
[Mode 3] Fault Code
Mode $04 Exhaust Gas Related Diagnostic System
[Mode 4] Clear and Zero
Code $05 oxygen sensor monitoring test
[Mode 5] Results
Mode $02-
◎ Current engine instantaneous numerical requirements
◎ Analog input/output signals
◎ Digital input/output signal
System status information
◎ Comprehensive calculation data value mode $06 Computer monitoring discontinuity
[Mode 6] Test Results
Mode #07 Computer Monitoring Continuity Test
[Mode 7] Results
5.1June, 1993, SAE finalized circular J2 190- "Strengthening diagnostic test standards", that is, the circular.
According to the updated document of notification J 1979 (diagnostic test mode standard), it is applicable to "diagnosis".
Communication "SAE -J 1850 or ISO 9 14 1-2 standard. This standard is used to define data.
The transmission protocol and OBD-II diagnostic format are unified, and computer 16 hex mode is adopted.
Define the transport protocol.
(3) The meaning and classification of OBD-II fault codes:
SAE combines five-word OBD-II fault codes, the 1 word is English code, and the second to fifth words are English code.
Codes are numeric codes.
The first two words of the fault code respectively represent the following different definitions:
Fault code of computer control system for P0 engine gearbox formulated by SAE.
The fault codes of P 1 engine gearbox computer control system are formulated by the manufacturers respectively.
Reserved fault code for computer control system of P2 engine gearbox
Reserved fault code for computer control system of P3 engine gearbox
C0 chassis computer control system, the fault code is formulated by SAE.
C 1 chassis computer control system, the fault code is formulated by each factory and air.
C2 chassis computer control system, with fault code reserved.
C3 chassis computer control system, fault code reserved.
B0 body computer control system, failure code uniformly formulated by SAE.
B 1 Body Computer Control System, the fault code is formulated by each manufacturer.
B2 Body computer control system, with fault code reserved.
B3 Automobile computer control system, with fault code reserved.
U0 network connection related fault codes
U 1 network connection related fault code
U2 network connection related fault codes
U3 Network Connection Related Fault Codes
P0 1XX fuel and air detection system
P02XX fuel and air detection system
P03XX ignition system
P04XX exhaust gas control system
P05XX idle speed control system
P06XX computer control system
P07XX gearbox control system
P08XX gearbox control system
P09XX SAE reserved fault code
P00XX SAE reserved fault code
P0 1XX are parts manufactured by the manufacturer.
P 1 1XX fuel and air detection system
P 12XX fuel and air detection system
P 13XX ignition system
P 14XX exhaust gas control system
P 15XX idle speed control system
P 16XX computer control system
P 17XX gearbox control system
P 18XX gearbox control system
P 19XX SAE reserved fault code
P 10XX SAE reserved fault code.
Other parts, SAE and manufacturers have not been fully formulated. After being formulated, we will take the fastest.
Translate it quickly and print it for you.
Code SAE defines fault range Code SAE defines fault range.
1 Bad fuel or air measurement system 5 Bad car or idle speed control system
2 Bad fuel or air measurement system 6 Bad computer or output control element
3 poor ignition system or intermittent engine flameout 7 poor transmission control system
4 Bad exhaust gas control auxiliary device system 8 Bad gearbox control system
The current code "0" represents the fault code defined by SAE. "1", "2" or "3" and so on.
Code, representing the automobile factory.
Obd-ii fault code quick quotation:
SAE roughly classifies the fault codes of the engine and gearbox into 10, and the breakdown is as follows:
Obd-ii fault code system division
P0 1XX fuel and air intake system
P02XX fuel and air intake system
P03XX ignition system
P04XX exhaust gas control related system
P05XX speed sensing and idle speed control related systems
P06XX controls computer related systems.
P07XX Transmission Fault Code
P08XX Transmission Fault Code
P09XX SAE reserved parts
P00XX SAE reserved parts
Sae uniform provisions for fault codes (p0000 ~ p0999)
The fault code (after P 1000~ ~) shall be formulated by each manufacturer.
Obd-ii fault code system division
P 1 1XX fuel and air intake system
P 12XX fuel and air intake system
P 13XX ignition system
P 14XX exhaust gas control related system
P 15XX speed sensing and idle speed control related systems
P 16XX Control Computer Related System
P 17XX gearbox fault code
P 18XX transmission fault code
P 19XX SAE reserved parts
P 10XX SAE reserved parts
(4) OBD-II standard fault code retrieval table:
(p0000 ~ p0999) Parts uniformly specified by SAE:
Fault code (p0000 ~ p0 13 1)
OBD II code content
P0000 is not faulty (Ford)
P0 100 air flowmeter has poor wiring.
P0 10 1 Bad air flowmeter (wrong signal value)
P0 102 The line input voltage of air flowmeter is too low.
P0 103 The line input voltage of air flowmeter is too high.
P0 104 Intermittent fault of air flowmeter line
P0 105 Bad circuit or no signal output of air pressure sensor (Ford)
P0 106 The voltage value of the air pressure sensor system is incorrect or when the engine is started.
The map signal after moving is the same (Ford)
P0 107 The input voltage of the air pressure transmitter system is too low.
P0 108 input voltage of air pressure transmitter system is too high.
P0 109 Intermittent fault of air temperature sensor circuit.
P0 1 10 Intermittent fault of air temperature sensor circuit.
P0 1 1 1 air temperature sensor circuit (wrong signal value)
P0 1 12 line voltage of air temperature sensor is too low.
P0 1 13 line input voltage of air temperature sensor is too high.
P0 1 14 intermittent fault in the air temperature sensor circuit.
P0 1 15 water temperature sensor circuit is not good.
P0 1 16 water temperature sensor circuit (signal error)
P0 1 16 engine has been started for more than 20 minutes, and the temperature is still below 30℃ (Toyota).
P0 1 17 water temperature sensor voltage is too low.
P0 1 18 water temperature sensor voltage is too high.
P0 1 19 intermittent fault of voltage circuit of water temperature sensor.
The sensor circuit of P0 120 valve is defective.
P0 120 valve sensor signal is lower than 0. 1 volt or higher than 4.9 volts (Toyota).
P0 12 1 valve sensor circuit is defective.
P0 12 1 The voltage value of the auxiliary throttle sensor is incorrect or improperly adjusted (Toyota).
P0 12 1 The voltage of the valve sensor does not match the voltage of the intake pressure sensor.
Together (Chris)
P0 122 valve sensor signal voltage is too low.
P0 122 auxiliary throttle sensor signal is too high.
The line voltage of sensor of valve P0 123 is too high.
P0 123 Valve sensor voltage is too high.
P0 124 Intermittent fault of valve sensor circuit
P0 125 water temperature sensor sensed that it took too long to enter the closed-loop control.
P0 126 The voltage value of water temperature sensor is unstable.
P0 130 oxygen sensor line fault (cylinder bank 1, sensor 1)
P0 13 1 line voltage of oxygen sensor is too low or short-circuited (cylinder bank 1, sensor 1).
Go on. OBD-II standard fault code retrieval table:
Fault code (P0132-P0171)
OBD II code content
P0 132 line voltage of oxygen sensor is too high (BANK 1, STESOR 1).
P0 133 oxygen sensor response is too slow (BANK 1, STESOR 1).
P0 134 oxygen sensor has too few reaction times or no effect (BANK 1, STESOR 1).
P0 135 Bad heating circuit of oxygen sensor (BANK 1, STESOR 1)
P0 136 oxygen sensor failure (cylinder bank 1, pressure sensor 2).
When P0 136 engine is loaded, the voltage value of oxygen sensor is incorrect (BANK 1, STESOR 2).
P0 137 oxygen sensor line short circuit (bank 2)
P0 137 oxygen sensor voltage is too low (BANK 1, STESOR 2).
P0 138 oxygen sensor voltage is too high (BANK 1, STESOR 2).
P0 139 oxygen sensor response is too slow (BANK 1, STESOR 2).
The reaction time of P0 140 oxygen transmitter is too little or ineffective (BANK 1, STESOR 2).
P0 14 1 oxygen sensor heating circuit is bad (BANK 1, STESOR 2).
P0 142 Bad heating circuit of oxygen sensor (BANK 1, STESOR 3)
P0 143 oxygen sensor voltage is too low (BANK 1, STESOR 3).
P0 144 oxygen sensor voltage is too high (BANK 1, STESOR 3).
P0 145 oxygen sensor response is too slow (BANK 1, STESOR 3).
P0 146 oxygen sensor doesn't work, and the reaction times are too few (BANK 1, STESOR 3).
P0 147 Bad heating circuit of oxygen sensor (BANK 1, STESOR 3)
P0 150 oxygen sensor does not work (bank 2, STESOR 1).
P0 15 1 oxygen sensor voltage is too low (bank 2, STESOR 1).
P0 152 oxygen sensor voltage is too high (bank 2, STESOR 1).
P0 153 oxygen sensor response is too slow (bank 2, STESOR 1).
The reaction time of P0 154 oxygen sensor is too short (bank 2, STESOR 1).
P0 155 Bad heating circuit of oxygen sensor (bank 2, STESOR 1)
P0 156 Bad heating circuit of oxygen sensor (cylinder bank 2, temperature sensor 2)
P0 157 oxygen sensor voltage is too low (bank 2, pressure sensor 2).
P0 158 Oxygen sensor voltage is too high (bank 2, pressure sensor 2).
P0 159 oxygen sensor response is too slow (bank 2, pressure sensor 2).
P0 160 oxygen sensor has too little reaction time or is ineffective (cylinder bank 2, STESOR 2).
P0 16 1 Bad heating circuit of oxygen sensor (cylinder bank 2, STESOR 2).
P0 162 oxygen sensor does not work (bank 2, pressure sensor 3).
P0 163 Oxygen sensor voltage is too low (bank 2, pressure sensor 3).
P0 164 Oxygen sensor voltage is too high (bank 2, pressure sensor 3).
P0 165 oxygen sensor response is too slow (bank 2, pressure sensor 3).
P0 166 oxygen sensor has too little or no reaction time (cylinder bank 2, pressure sensor 3).
P0 167 Bad heating circuit of oxygen sensor (cylinder bank 2, temperature sensor 3)
P0 170 Poor fuel correction (mixing ratio) (band 1)
The mixing ratio of P0 17 1 is too thin (BANK 1).
Go on. OBD-II standard fault code retrieval table:
Fault code (P0 172-P0209)
OBD II code content
The mixing ratio of P0 172 is too strong (BANK 1).
P0 173 Fuel Correction Fault (Bank 2)
P0 174 mixture ratio is too thin (bank 2)
P0 175 mixing ratio is too large (bank 2)
P0 176 fuel water content sensor line fault
P0 177 The line voltage value of fuel water content sensor is incorrect.
P0 178 line voltage of fuel water content sensor is too low.
P0 179 line voltage of fuel water content sensor is too high.
P0 180 A fuel temperature sensor circuit fault.
P0 18 1 line voltage of fuel temperature sensor is incorrect.
P0 182 A fuel temperature transmitter line voltage is too low.
P0 183 A line voltage of fuel temperature transmitter is too high.
P0 184 A intermittent fault of fuel temperature transmitter line.
P0 185 B fuel temperature sensor circuit fault.
P0 186 B fuel temperature sensor line voltage is incorrect.
P0 187 B fuel temperature sensor line voltage is too low.
P0 188 B fuel temperature sensor line voltage is too high.
P0 189 B fuel temperature sensor circuit intermittent fault.
P0 190 oil supply pipe oil pressure sensor circuit is invalid.
P0 19 1 The line voltage of the oil pressure sensor of the oil supply pipe is incorrect.
P0 192 line voltage of oil pressure sensor in oil supply pipe is too low.
P0 193 line voltage of oil pressure sensor in oil supply pipe is too high.
P0 194 Intermittent fault of oil pressure transmitter circuit of fuel distribution pipe
P0 195 Engine oil temperature sensor circuit fault.
P0 196 Engine oil temperature sensor line voltage is too low.
P0 197 The line voltage of engine oil temperature sensor is too high.
P0 198 The line voltage of engine oil temperature sensor is too high.
P0 199 Intermittent fault of engine oil temperature sensor circuit
P0200 fuel injector control circuit fault.
P 020 1 1 cylinder injector control circuit fault.
P0202 cylinder injector control circuit fault.
P0203 cylinder injector control circuit fault.
P0204 cylinder injector control circuit fault.
P0205 cylinder injector control circuit fault.
P0206 cylinder injector control circuit fault.
P0207 cylinder injector control circuit fault.
P0208 cylinder injector control circuit fault.
P0209 The control circuit of the fuel injector in the 9th cylinder is defective.
Go on. OBD-II standard fault code retrieval table:
Fault code (P02 10-P0245)
OBD II code content
The control circuit of the fuel injector of cylinder p 02 10 10 is faulty.
P02 1 1 cylinder 1 1 injector control circuit fault.
The control circuit of the fuel injector in cylinder p 02 12 12 is faulty.
P02 13 1 Cold start-up choke control circuit failure.
P02 14 No.2 cold car has a bad control circuit for the starting nozzle.
P02 15 Engine Speed Limit Cut-off Solenoid Valve Control Circuit Fault
P02 16 Fuel Injection Timing Control Circuit Fault.
P02 17 engine overheating.
P02 18 gearbox overheating.
P02 19 engine speed exceeds the computer set value.
P0220 Secondary throttle sensor or throttle sensor group B line fault.
P0220 poor control circuit of gasoline pump relay (CHRYLSER)
P022 1 line voltage value of auxiliary throttle sensor or throttle sensor assembly b is incorrect.
P0222 auxiliary throttle sensor signal or throttle sensor group B line voltage is too low.
P0223 auxiliary throttle sensor signal or throttle sensor group B line voltage is too high.
P0224 Intermittent fault of auxiliary throttle sensor signal or throttle sensor group B line.
P0225 Secondary throttle sensor or throttle sensor group C line fault.
P0226 The line voltage value of the auxiliary throttle sensor or throttle sensor assembly C is incorrect.
P0227 auxiliary throttle sensor signal or throttle sensor CC line voltage is too low.
P0228 auxiliary throttle sensor signal or throttle sensor group C line voltage is too high.
P0229 Intermittent fault of auxiliary throttle sensor signal or throttle sensor group C line.
P0230 The main circuit of gasoline pump is invalid.
P023 1 Circuit voltage of gasoline pump is too low (GM)
P023 1 The secondary line voltage of gasoline pump is too low.
P0232 Circuit voltage of gasoline pump is too high.
P0232 The secondary line voltage of gasoline pump is too high.
P0233 Intermittent fault of auxiliary circuit of gasoline pump
P0235 Belt pulley supercharger pressure transmitter line A fault.
P0236 The voltage value of pressure transmission line A of belt pulley supercharger is incorrect.
P0237 The line voltage of pressure sensor A of belt pulley supercharger is too low.
P0238 The line voltage of pressure sensor A of belt pulley supercharger is too high.
P0239 belt pulley supercharger pressure sensor circuit b is faulty.
P0240 The voltage value of line B of pressure sensor of belt pulley supercharger is incorrect.
P024 1 B line voltage of belt pulley supercharger pressure transmitter is too low.
P0242 The line voltage of pulley booster pressure transmitter B is too high.
P0243 Fault in electromagnetic cut-off control circuit A of belt pulley supercharger exhaust control.
P0244 The computer of electromagnetic cut-off control line A for exhaust control of belt pulley supercharger is incorrect.
P0245 Electromagnetic cut A of exhaust control of belt pulley supercharger is too low.
Go on. OBD -II standard fault code retrieval table:
Fault code (P0246-P0283)
OBD II code content
P0246 The voltage of electromagnetic cut-off control circuit A of belt pulley supercharger exhaust control is too high.
P0247 Electromagnetic cutting control line B of belt pulley pressurization and exhaust control is invalid.
P0248 The B value of electromagnetic cut-off control circuit for exhaust control of belt pulley supercharger is incorrect.
P0249 The voltage of electromagnetic cut-off control line B for exhaust control of belt pulley supercharger is too low.
P0250 pulley supercharger exhaust control electromagnetic cutting control circuit B voltage is too high.
P025 1 Diesel Engine Group A Jet Pump Cam or Wheel Failure
P0252 The cam or wheel voltage value of group A injection pump of diesel engine is incorrect.
P0253 Diesel Engine Group A Jet Pump Cam or Wheel Voltage Too Low
P0254 Diesel Engine Group A Jet Pump Cam or Wheel Voltage Too High
P0255 Intermittent Faults of Cam or Wheel of Group A Jet Pump of Diesel Engine
P0256 Diesel Engine Group A Jet Pump Cam or Wheel Failure
P0257 The cam or wheel voltage value of group A injection pump of diesel engine is incorrect.
P0258 Diesel Engine Group A Jet Pump Cam or Wheel Voltage Too Low
P0259 Diesel Engine Group A Jet Pump Cam or Wheel Voltage Too High
Intermittent failure of cam or wheel of group A jet pump of P0260 diesel engine
P 026 1 cylinder 1 injector line voltage is too low.
P 0262 1 cylinder injector line voltage is too high.
P0263 1 cylinder is not working properly; Dynamic balance difference of No.8 cylinder (GM)
P0264 cylinder injector line voltage is too low.
P0265 cylinder injector line voltage is too high.
P0266 cylinder is not working properly; Dynamic balance difference of No.7 cylinder (GM)
P0267 The line voltage of the third cylinder injector is too low.
P0268 Nozzle line voltage of the third cylinder is too high.
P0269 cylinder is not working properly; Power balance difference of the second cylinder (GM)
P0270 Nozzle line voltage of No.4 cylinder is too low.
P027 1 Nozzle line voltage of the fourth cylinder is too high.
P0272 cylinder is not working properly; The sixth cylinder tries to balance the difference (GM)
P0273 Nozzle line voltage of cylinder 5 is too low.
P0274 Nozzle line voltage of No.5 cylinder is too high.
P0275 cylinder is not working properly; Dynamic balance difference of No.5 cylinder (GM)
P0276 cylinder injector line voltage is too low.
P0277 cylinder injector line voltage is too high.
P0278 cylinder is not working properly; The fourth cylinder dynamic balance difference (GM)
P0279 cylinder injector line voltage is too low.
P0280 Nozzle line voltage of cylinder 7 is too high.
P 028 1 7 cylinder is not working normally; The third cylinder dynamic balance difference (GM)
P0282 The line voltage of the nozzle of the 8th cylinder is too low.
P0283 The line voltage of the nozzle in the 8th cylinder is too high.
P0284 cylinder is not working properly; 1 cylinder dynamic balance difference (GM)
Continued OBD -II standard fault code retrieval table:
Fault code (P0284-P0330)
OBD II code content
P0285 Nozzle line voltage of cylinder 9 is too low.
P0286 Nozzle line voltage of cylinder 9 is too high.
P0287 cylinder is not working properly.
P 0288 10 cylinder injector line voltage is too low.
P 0289 10 cylinder injector line voltage is too high.
P0290 10 cylinder is not working properly.
P02911/cylinder injector line voltage is too low.
P 0292 1 1 Cylinder injector line voltage is too high.
P0293 cylinder 1 1 is not working properly.
P 0294 12 cylinder injector line voltage is too low.
P 0295 12 cylinder injector line voltage is too high.
P0296 12 cylinder is not working properly.
P0297 Intake pressure sensor signal continuously changes (Ford)
P0300 engine had a fire.
P030 1 cylinder 1 once caught fire.
P0302 The second cylinder is on fire.
P0303 The third cylinder is on fire.
P0304 cylinder is on fire.
P0305 cylinder is on fire.
P0306 cylinder is on fire.
P0307 cylinder is on fire.
P0308 cylinder is on fire.
P0309 No.9 cylinder is on fire.
P 03 10 cylinder 10 is on fire.
P03 1 1 cylinder 1 1 fire.
P03 12 cylinder 12 caught fire once.
P0320 Engine speed signal circuit fault of distributor ignition system.
P032 1 The voltage value of engine speed signal line of distributor ignition system is incorrect.
P0322 There is no signal in the engine speed signal circuit of distributor ignition system.
P0323 Intermittent fault in engine speed signal circuit of distributor ignition system
P0325 line fault of knock sensor (bank 1)
P0325 engine didn't receive knock signal (cylinder bank 1) when it was above 2000 rpm (Toyota).
P0326 the line voltage of the knock sensor is incorrect or too high (GM)(BANK 1 or STESOR 3).
P0327 knock sensor line voltage is too low (GM)(BANK 1 or STESOR 3)
P0328 line voltage of detonation transmitter is too high or open (GM)(BANK 1 or STESOR 3).
P0329 intermittent fault of knock sensor line (BANK 1 or STESOR 3)
P030 Knock sensor line fault (bank 2)
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