TGTE
Troubleshooting 2JZ-GTE
113 pages— Pages
0012JZ–GTE ENGINE TROUBLESHOOTING002HOW TO PROCEED WITH TROUBLESHOOTING003CUSTOMER PROBLEM ANALYSIS CHECK SHEET004DIAGNOSIS SYSTEM DESCRIPTION005Diagnosis Inspection (Normal Mode)006Diagnosis Inspection (Test Mode)007DIAGNOSTIC TROUBLE CODE CHECK USING TOYOTA HAND-HELD TESTER008DIAGNOSTIC TROUBLE CODE CHART009ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING010ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING011ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING012ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING013ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING014ENGINE — 2JZ–GTE ENGINE TROUBLESHOOTING015ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING016ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING017ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING018FAIL–SAFE CHART019CHECK FOR INTERMITTENT PROBLEMS020BASIC INSPECTION021ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING022ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING023PARTS LOCATION024STANDARD VALUE OF ECM TERMINALS025STANDARD VALUE OF ECM TERMINALS026ENGINE — 2JZ–GTE ENGINE TROUBLESHOOTING027REFERENCE VALUE OF ECM DATA028MATRIX CHART OF PROBLEM SYMPTOMS029CIRCUIT INSPECTION
DTC 12 G NE Signal Circuit (No.1)030INSPECTION PROCEDURE031INSPECTION USING OSCILLOSCOPE032DTC 13 G NE Signal Circuit (No.2)033DTC 14 Ignition Signal Circuit034INSPECTION PROCEDURE035ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING036ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING037Disconnect igniter connector and check voltage between terminal IGT (1 ~ 6) of engine control module connector and body ground.038DTC 16 A T Control Signal Malfunction039DTC 21 Main Heated Oxygen Sensor Circuit040CIRCUIT DESCRIPTION (Cont'd)041WIRING DIAGRAM042Check main heated oxygen sensor heater.043INSPECTION USING OSCILLOSCOPE044DTC 22 Engine Coolant Temp. Sensor Circuit045INSPECTION PROCEDURE046DTC 24 Intake Air Temp. Sensor Circuit047INSPECTION PROCEDURE048DTC 25 26 Air–Fuel Ratio Lean Rich Malfunction049CIRCUIT DESCRIPTION (Cont'd)050CIRCUIT DESCRIPTION (Cont'd) DIAGNOSTIC TROUBLE CODE DETECTION DRIVING PATTERN051INSPECTION PROCEDURE052ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING053Check each item found to be a possible cause of problem.054DTC 27 Sub Heated Oxygen Sensor Circuit055CIRCUIT DESCRIPTION (Cont'd)056INSPECTION PROCEDURE057ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING058DTC 31 Mass Air Flow Meter Circuit059INSPECTION PROCEDURE060DTC 34 Turbo Pressure Malfunction061WIRING DIAGRAM062ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING063DTC 35 Turbo Pressure Sensor Circuit Barometric Pressure (BARO) Sensor Circuit064INSPECTION PROCEDURE065Check voltage between terminals PM1 and E2 of engine control module.066DTC 41 47 Throttle Position Sensor(s) Circuit067WIRING DIAGRAM068INSPECTION PROCEDURE069Check throttle position sensor(s).070DTC 42 No. 1 Vehicle Speed Sensor Signal Circuit071WIRING DIAGRAM072INSPECTION PROCEDURE073DTC 43 Starter Signal Circuit074INSPECTION PROCEDURE075DTC 52 53 55 Knock Sensor Circuit076INSPECTION PROCEDURE077Check knock sensor.078DTC 71 EGR System Malfunction079CIRCUIT DESCRIPTION (Cont'd)080INSPECTION PROCEDURE081ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING082DTC 78 Fuel Pump Control Circuit083INSPECTION PROCEDURE084ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING085DTC 51 Switch Condition Signal Circuit086INSPECTION PROCEDURE087ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING088Park Neutral Position Switch Circuit089INSPECTION PROCEDURE090ECM Power Source Circuit091INSPECTION PROCEDURE092ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING093ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING094Check EFI main relay.095Back Up Power Source Circuit096INSPECTION PROCEDURE097Injector Circuit098INSPECTION PROCEDURE099ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING100IAC Valve Circuit101WIRING DIAGRAM102INSPECTION PROCEDURE103Turbo Control Circuit104WIRING DIAGRAM105INSPECTION PROCEDURE106Check VSV for Exhaust Gas Control Valve107Check VSV for Intake Air Control Valve108ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING109VSV Circuit for Fuel Pressure Control110INSPECTION PROCEDURE111ENGINE — 2JZ-GTE ENGINE TROUBLESHOOTING112TE1 TE2 Terminal Circuit113INSPECTION PROCEDURE