Toyota engine 1ZZ-FE/2ZZ-FE error codes list

The self-diagnosis codes (fault codes) for engines 1ZZ-FE, 2ZZ-FE are read by the number of flashes of the “CHECK ENGINE” indicator with closed “TC” – “CG” leads (pin 13 and 4) of the DLC3 connector under the dashboard and the ignition on.

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• 12 – Crankshaft Position Sensor (P0335)
• 13 – Crankshaft Position Sensor (P0335, P1335)
• 14 – Ignition system, coil number 1 (P1300) and number 4 (P1315)
• 15 – Ignition system, coil №2 (P1305) and №3 (P1310)
• 16 – Automatic Transmission Control System
• 18 – VVT-i system – phases (P1346)
• 19 – Accelerator pedal position sensor (P1120)
• 19 – Accelerator pedal position sensor (P1121)
• 21 – Oxygen sensor (P0135)
• 22 – Coolant temperature sensor (P0115)
• 24 – Intake air temperature sensor (P0110)
• 25 – Oxygen sensor – lean signal (P0171)
• 27 – Oxygen sensor №2
• 31 – Absolute pressure sensor (P0105, P0106)
• 34 – Turbocharging system
• 35 – Turbocharger pressure sensor
• 36 – CPS Sensor (P1105)
• 39 – VVT-i System (P1656)
• 41 – Throttle Position Sensor (P0120, P0121)
• 42 – Vehicle speed sensor (P0500)
• 43 – Starter Signal
• 47 – Position sensor additional  throttle
• 49 – Fuel Pressure Sensor (D-4) (P0190, P0191)
• 51 – Breaker Status
• 52 – Knock Sensor (P0325)
• 53 – Knock signal
• 55 – Knock sensor  №2
• 58 – Drive SCV (D-4) (P1415, P1416, P1653)
• 59 – VVT-i signal (P1349)
• 71 – EGR system (P0401, P0403)
• 78 – fuel pump (D-4)
• 89 – ETCS Drive (P1125, P1126, P1127, P1128, P1129, P1633)
• 92 – Cold start nozzle (D-4) (P1210)
• 97 – Injectors (D-4) (P1215)
• 98 – Vacuum sensor in the vacuum brake booster (C1200)

Fault codes are read according to the number of flashes of the “O / D OFF” indicator with closed outputs “TC” – “CG” (13-4) of the DLC3 connector under the dashboard and the ignition on. / D OFF “is not lit).

• 11 – Norm
• 37 – Automatic input speed sensor (P1705)
• 38 – Automatic Transmission Fluid Temperature Sensor
• 42 – Speed ​​sensor (or output shaft speed sensor) (Р0500)
• 44 – Speed ​​sensor (or speed sensor rear output shaft)
• 46 – Solenoid pressure control hydroaccumulator (R1765)
• 61 – Speed ​​sensor (or front output shaft speed sensor)
• 62 – Solenoid number 1 (P0753)
• 63 – Solenoid number 2 (R0758)
• 64 – Solenoid of the torque converter lock-up clutch (Р0773)
• 67 – Automatic input speed sensor
• 68 – Torque Converter Clutch Control Solenoid
• 73 – Solenoid clutch locking center differential

ABS Diagnostics

Read codes (DLC3 models) (OBD-II)

• Cross over the pins “TC” (13) and “CG” (4) of the DLC3 connector.
• Turn on the ignition.
• After 4 seconds, read the code by the number of flashes of the indicator.
• Remove the jumper from the “TC” and “CG” terminals.

Reset fault codes (models with DLC3 connector)

• Cross over the pins “TC” (13) and “CG” (4) of the DLC3 connector.
• Turn on the ignition.
• Press the brake pedal eight or more times in the interval of three seconds.
• The indicator should display the code of the norm (blink 2 times per second).
• Remove the jumper from the “TC” and “CG” terminals.

• 11 – relay e / m valve (open circuit)
• 12 – Relay e / m valve (short circuit in the circuit)
• 13 – Electric pump relay (open circuit)
• 14 – Electric pump relay (short circuit in the circuit)
• 21 – E / m valve lane. right wheels (breakage or shortlift)
• 22 – E / m valve lane. a lion. wheels (breakage or shortlift)
• 23 – E / m valve rear. right (lion.) wheels (breakage or short-circuit)
• 24 – E / m valve rear lion. (right) wheels (breakage or short-circuit)
• 31 – Speed ​​sensor speed lane. right wheels (malfunction)
• 32 – Speed ​​sensor speed lane. a lion. wheels (malfunction)
• 33 – Rear speed sensor right wheels (malfunction)
• 34 – Rear speed sensor a lion. wheels (malfunction)
• 41 – Battery voltage too high or too low
• 43 – Deceleration sensor (circuit fault)
• 44 – Deceleration sensor (open circuit or short-circuit in the circuit)
• 49 – Brake light switch (open circuit)
• 51 – Electric power supply circuit (short circuit or open circuit)
• 71 – Speed ​​sensor speed lane. right wheels (low signal)
• 72 – Speed ​​sensor speed lane. a lion. wheels (low signal)
• 73 – Rear speed sensor right wheels (low signal)
• 74 – Rear speed sensor a lion. wheels (low signal)
• 75 – Speed ​​sensor lane. right wheels (incorrect signal change)
• 76 – Speed ​​sensor lane. a lion. wheels (incorrect signal change)
• 77 – Rear speed sensor right wheels (incorrect signal change)
• 78 – Rear speed sensor a lion. wheels (incorrect signal change)
• 79 – Deceleration sensor (malfunction)

About SRS

The self-diagnostic codes are read in the same way as the number of flashes of the “SRS” indicator with the closed “TC” – “CG” (13-4) terminals of the DLC3 connector under the dashboard and the ignition on.

Erasing fault codes should occur when the ignition is turned off. If codes remain, it is necessary to carry out the cleaning procedure

• connect the two wires to the terminals “TC” and “AB”
• turn on the ignition and wait at least 6 seconds
• alternately, once a second, short to ground the “TC” and “AB” terminals (the pause between the closure is less than 0.2 second)
• after the third closure of the output “TC” the indicator should flash with a high frequency – it means the codes are erased.

• 11 – Driver’s igniter PB (short to ground)
• 12 – Driver’s igniter PB (short to power)
• 13 – Driver’s igniter PB (circuit closure)
• 14 – Driver’s igniter PB (open circuit)
• 15 – Front right SRS sensor (short or open circuit)
• 15 – SRS front right sensor (short to ground or power)
• 16 – Front left SRS sensor (short or open circuit)
• 16 – Front Left SRS Sensor (short to ground or power)
• 31 – SRS control unit malfunction
• 51 – Passenger PB igniter (short to ground)
• 52 – Passenger PB igniter (short to power)
• 53 – Passenger PB igniter (short circuit in the circuit)
• 54 – Passenger PB igniter (open circuit)
• 61 – Driver Belt Pretensioner Igniter (short to ground)
• 62 – Driver belt pretensioner igniter (short to power)
• 63 – Driver Belt Pretensioner Igniter (Short Circuit)
• 64 – Driver Belt Tensioner Igniter (open circuit)
• 71 – Passenger Pretensioner Igniter (short to ground)
• 72 – Passenger belt pretensioner igniter (short to power)
• 73 – Passenger belt pretensioner igniter (short circuit)
• 74 – Passenger belt pretensioner igniter (open circuit)

See also: Toyota engine repair manuals