Toyota OBD/OBD2 Codes >> Supra 3.0L/Turbo (1996 – 1998)

Model Year Engine identification System
Supra 3.0L 1996-98 2JZ-GE   SFI
Supra 3.0L Turbo 1996-98 2JZ-GTE   SFI

General information

  • Engine control module (ECM) incorporates self-diagnosis function.
  • Malfunction indicator lamp (MIL) will illuminate if certain faults are recorded.
  • ECM operates in backup mode if sensors fail, to enable vehicle to be driven to workshop.


  • Trouble codes can be displayed by using a Scan Tool connected to the data link connector (DLC) 1.


  • After the faults have been rectified, trouble codes can be erased by using a Scan Tool connected to the data link connector (DLC) or as follows:
  • Ensure ignition switched OFF.
  • Disconnect battery ground cable for 30 seconds minimum.
  • Reconnect battery ground cable.
  • Repeat checking procedure to ensure no data remains in ECM fault memory.

NOTE: Disconnecting battery ground lead will erase trouble codes but may also erase memory from electronic units such as radio.

Trouble code identification

OBD-11 code Fault location Probable cause
PO, P2,UO Refer to OBD-11 trouble code tables
P1100 Barometric pressure (BARO) sensor – circuit malfunction ECM
P1120 Accelerator pedal position (APP) sensor – circuit malfunction Wiring, APP sensor, ECM
P1121 Accelerator pedal position (APP) sensor – range/   performance problem APP sensor, ECM
P1125 Throttle actuator control (TAC) motor- circuit malfunction Wiring, TAC motor, ECM
P1126 Magnetic clutch – circuit malfunction Wiring, magnetic clutch, ECM
P1127 Traction control system – circuit malfunction Wiring, ECM
P1128 Throttle actuator control (TAC) motor- lock malfunction TAC motor, throttle body, ECM
P1129 Throttle actuator control (TAC) system -malfunction Wiring, ECM
P1200 Fuel pump (FP) relay/ECM – circuit malfunction Wiring, fuel pump/control module, ECM
P1300 Ignition control – circuit malfunction Wiring, ignition module, ECM
P1335 Crankshaft position (CKP) sensor – no signal Wiring, CKP sensor, starter motor, ECM
P1349 Camshaft position (CMP) actuator system – malfunction Valve timing, CMP actuator, ECM
P1400 Throttle position (TP) sensor 2 – circuit malfunction Wiring, TP sensor, ECM
P1401 Throttle position (TP) sensor 2 – range/   performance problem TP sensor
P1405 Turbocharger (TC) boost pressure sensor- circuit malfunction Wiring, TC boost pressure sensor, ECM
P1406 Turbocharger (TC) boost pressure sensor- range/performance problem TC boost pressure sensor
P1500 Starter signal – circuit malfunction Wiring, ignition switch, engine control relay, ECM
P1511 Turbocharger (TC) boost pressure- pressure too low Intake system/air control valve, wiring, TC   wastegate regulating valve/actuator, ECM
P1512 Turbocharger (TC) boost pressure – pressure too high Wiring, TC wastegate regulating valve/actuator, ECM
P1520 Stop lamp switch – signal malfunction Wiring, stop lamp switch, ECM
P1565 Cruise control switch – signal malfunction Wiring, cruise control switch, ECM
P1600 Engine control module (ECM) – supply voltage Wiring, ECM
P1605 Knock control – malfunction ECM
P1630 Traction control system – malfunction Wiring, throttle control module, ECM
P1633 Engine control module (ECM)- throttle actuator control (TAC) system – malfunction ECM
P1652 Turbocharger (TC) 2 air control solenoid – circuit malfunction Wiring, air control solenoid, ECM
P1656 Oil control valve – circuit malfunction Wiring, oil control valve, ECM
P1658 Turbocharger (TC) wastegate regulating valve – circuit malfunction Wiring, TC wastegate regulating valve, ECM
P1661 Turbocharger (TC) 2 exhaust gas control valve – circuit malfunction Wiring, exhaust gas control valve, ECM
P1662 Exhaust bypass valve – circuit malfunction Wiring, exhaust bypass valve, ECM
P1780 Park/neutral position (PNP) switch – circuit malfunction Wiring, PNP switch, ECM