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Toyota Supra JZA80

2JZ-GE engine diagnostic trouble code chart

Diagnostic trouble code chart

Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument or other factors.
If a malfunction code is displayed during the DTC check in check mode, check the circuit for that code listed in the table below. For details of each code, turn to the page reffered to under the ”See page” for the respective ”DTC No.” in the DTC chart.
DTC No.
(See Page)
Detection Item Trouble Area MIL* Memory
P0100 (DI-25) Mass Air Flow Circuit Malfunction Open or short in mass air flow meter circuit
Mass air flow meter
ECM
P0101 (DI-29) Mass Air Flow Circuit Range / Performance problem Mass air flow meter
P0110 (DI-30 ) Intake Air Temp. Circuit Malfunction Open or short in intake air temp. sensor circuit Intake air temp. sensor
ECM
P0115 (DI-34) Engine Coolant Temp. Circuit Malfunction Open or short in engine coolant temp. sensor circuit
Engine coolant temp. sensor
ECM
P0116 (DI-38) Engine Coolant Temp. Circuit Range / Performance Problem Engine coolant temp. sensor
Cooling system
P0120 (DI-40) Throttle / Pedal Position Sensor / Switch ”A” Circuit Malfunction Open or short in throttle position sensor circuit
Throttle position sensor
ECM
P0121 (DI-44) Throttle /Pedal Position Sensor / Switch ”A” Circuit Range / Peformance Problem Throttle position sensor
P0125 (DI-45) Insufficient Coolant Temp. for Closed Loop Fuel Control Open or short in heated oxygen sensor circuit
Heated oxygen sensor
P130 (DI-48) Heated Oxygen Sendor Circuit Malfunction (Bank 1 Sensor 1) Heated oxygen sensor
Fuel trim malfunction
P0133 (DI-52) Heated Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) Heated oxygen sensor
P0135 (DI-53) Heated Oxygen Sensor Heater Circuit Malfunction
(Bank 1 Sensor 1)
Open or short in heater circuit of heated oxygen sensor
Heated oxygen sensor heater
ECM
P0136 (DI-55) Heated Oxygen Sensor Circuit Malfunction
(Bank 1 Sensor 2)
Heated oxygen sensor
P0141 (DI-53) Heated Oxygen Sensor Heater Circuit Malfunction
(Bank 1 Sensor 2)
Same as DTC No. P0135
P0150 (DI-48) Heated Oxygen Sensor Circuit Malfunction
(Bank 2 Sensor 1)
Same as DTC No. P0130
P0153 (DI-52) Heated Oxygen Sensor Circuit Slow Response
(Bank 2 Sensor 1)
Same as DTC No. P0133
P0155 (DI-53) Heated Oxygen Sensor Heater Circuit Malfunction
(Bank 2 Sensor 1)
Same as DTC No.P0135
P0171 (DI-57) System too Lean (Fuel Trim) Air Intake (hose loose)
Fuel line pressure
Injector blockage
Heated oxygen sensor malfunction
Mass air flow meter
Engine coolant temp. sensor
P0172 (DI-57) System too Rich (Fuel Trim) Fuel line pressure
Injector blockage, leak
Heated oxygen sensor malfunction
Mass air flow meter
Engine coolant temp. sensor
P0300 (DI-60) Random / Multiple Cylinder Misfire Detected Ignition system
Injector
Fuel line pressure
EGR
Compression pressure
Valve clearance not to specification
Valve timing
Mass air flow meter
Engine coolant temp. sensor
P0301
P0302
P0303
P0304
P0305
P0306
(DI-60)
Misfire Detected
  • Cylinder 1
  • Cylinder 2
  • Cylinder 3
  • Cylinder 4
  • Cylinder 5
  • Cylinder 6
P0325 (DI-93) Knock Sensor 1 Circuit Malfunction Open or short in knock sensor 1 circuit
Knock sensor 1 (looseness)
ECM
P0330 (DI-65) Knock Sensor 2 Circuit Malfunction Open or short in knock sensor 2 circuit
Knock sensor 2 (looseness)
ECM
P0335 (DI-69) Crankshaft Position Sensor ”A” Circuit Malfunction Open or short in crankshaft position sensor circuit for NE sig- nal
Crankshaft position sensor for NE signal
Starter
ECM
P0340 (DI-72) Camshaft Position Sensor Circuit Malfunction Open or short in camshaft position sensor circuit
Camshaft position sensor
Open or short in crankshaft position sensor circuit for NE2 signal
Crankshaft position sensor for NE2 signal
Starter
ECM
P0385 (DI-75) Crankshaft Position Sensor ”B” Circuit Malfunction Open or short in crankshaft position sensor circuit for NE2 signal
Crankshaft position sensor for NE2 signal
ECM
P0401 (DI-78) Exhaust Gas Recirculation Flow Insufficient Detected EGR valve stuck closed
Short in VSV circuit for EGR
Open in EGR gas temp. sensor circuit
EGR hose disconnected
ECM
P0402 (DI-89) Exhaust Gas Recirculation Flow Excessive Detected EGR valve stuck open
EGR VSV open malfunction
Open in VSV circuit for EGR
Short in EGR gas temp. sensor circuit
ECM
P0420 (DI-93) Catalyst System Efficiency Below Threshold Three-way catalytic converter
Open or short in heated oxygen sensor circuit
Heated oxygen sensor
P0441 (DI-96) Evaporative Emission Control System Incorrect Purge Flow Open or short in VSV circuit for EVAP
VSV for EVAP
ECM
Vacuum hose blocked or disconnected
Charcoal canister
P0500 (DI-100) Vehicle Speed Sensor Malfunction Open or short in vehicle speed sensor circuit
Vehicle speed sensor
Combination meter
ECM
P0505 (DI-103) Idle Control System Malfunction IAC valve is stuck or closed
Open or short in IAC valve circuit
Open or short in A/C signal circuit
Air intake (hose loose)
P0510 (DI-106) Closed Throttle Position Switch Malfunction Open in closed throttle position switch circuit
Closed throttle position switch
ECM
*: ○... MIL lights up

DTC chart (Manufacture Controlled)

DTC No. (See Page) Detection Item Trouble Area MIL* Memory
P1200 (DI-110) Fuel Pump Relay / ECU Circuit Malfunction Open or short in fuel pump ECU circuit
Fuel pump ECU
ECM power source circuit Fuel pump
ECM
P1300 (DI-115) Igniter Circuit Malfunction Open or short in IGF or IGT circuit from igniter to ECM Igniter
ECM
P1335 (DI-120) Crankshaft Position Sensor Circuit Malfunction (during engine running) Open or short in crankshaft position sensor circuit for NE sig- nal
Crankshaft position sensor for NE signal
Starter
ECM
P1500 (DI-121) Starter Signal Circuit Malfunction Open or short in starter signal circuit
Open or short in ignition switch or starter relay circuit
ECM
P1520 (DI-123) Stop Light Switch Signal Malfunction Short in stop light switch signal circuit
Stop light switch
ECM
P1600 (DI-126) ECM BATT Malfunction Open in back up power source circuit
ECM
P1605 (DI-128) Knock Control CPU Malfunction ECM
P1780 (DI-129) Park / Neutral Position Switch Malfunction Short in park / neutral position switch circuit
Park / neutral position switch
ECM
*: — ... MIL dose not light up
○... MIL lights up
This guide is based on the book edition Toyota (RM502U, 1997)

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