TGE
Troubleshooting 2JZ-GE
105 pages— Pages
0012JZ–GE ENGINE TROUBLESHOOTING002HOW TO PROCEED WITH TROUBLESHOOTING003CUSTOMER PROBLEM ANALYSIS CHECK SHEET004DIAGNOSIS SYSTEM DESCRIPTION005Diagnosis Inspection (Normal Mode) MALFUNCTION INDICATOR LAMP CHECK006Diagnosis Inspection (Test Mode)007DIAGNOSTIC TROUBLE CODE CHECK USING TOYOTA HAND-HELD TESTER008DIAGNOSTIC TROUBLE CODE CHART009ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING010ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING011ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING012ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING013ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING014ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING015ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING016ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING017ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING018FAIL–SAFE CHART019CHECK FOR INTERMITTENT PROBLEMS020BASIC INSPECTION021ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING022ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING023PARTS LOCATION024STANDARD VALUE OF ECM TERMINALS025STANDARD VALUE OF ECM TERMINALS026ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING027REFERENCE VALUE OF ECM DATA028MATRIX CHART OF PROBLEM SYMPTOMS029CIRCUIT INSPECTION
DTC 12 G NE Signal Circuit (No.1)
CIRCUIT DESCRIPTION030INSPECTION PROCEDURE031Check air gap.032DTC 13 G NE Signal Circuit (No.2)033DTC 14 Ignition Signal Circuit034INSPECTION PROCEDURE035ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING036ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING037ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING038DTC 16 A T Control Signal Malfunction039DTC 21 28 (Main Heated*1) Oxygen Sensor Circuit040DIAGNOSTIC TROUBLE CODE DETECTION DRIVING PATTERN041WIRING DIAGRAM042INSPECTION PROCEDURE (Only for California specification vehicles)043Check voltage between terminals HT1, HT2 of engine control module connector and body ground.044DTC 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)050DIAGNOSTIC TROUBLE CODE DETECTION DRIVING PATTERN051INSPECTION PROCEDURE052ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING053Check each item found to be a possible cause of problem.054DTC 27 Sub Heated Oxygen Sensor Circuit (Only for California spec.)
CIRCUIT DESCRIPTION055DIAGNOSTIC TROUBLE CODE DETECTION DRIVING PATTERN056WIRING DIAGRAM057ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING058DTC 31 Volume Air Flow Meter Circuit059INSPECTION PROCEDURE060ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING061DTC 35 Barometric Pressure Sensor Circuit062DTC 41 Throttle Position Sensor Circuit063INSPECTION PROCEDURE064Check throttle position sensor065DTC 42 No.1 Vehicle Speed Sensor Signal Circuit066WIRING DIAGRAM067INSPECTION PROCEDURE068DTC 43 Starter Signal Circuit069INSPECTION PROCEDURE070DTC 52 53 55 Knock Sensor Circuit071INSPECTION PROCEDURE072Check knock sensor.073DTC 71 EGR System Malfunction074CIRCUIT DESCRIPTION (Cont'd)075INSPECTION PROCEDURE076ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING077DTC 78 Fuel Pump Control Circuit078INSPECTION PROCEDURE079ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING080DTC 51 Switch Condition Signal Circuit
CIRCUIT DESCRIPTION081INSPECTION PROCEDURE082ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING083Park Neutral Position Switch Circuit084INSPECTION PROCEDURE085ECM Power Source Circuit086INSPECTION PROCEDURE087ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING088ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING089Check EFI main relay.090Back Up Power Source Circuit091INSPECTION PROCEDURE092Injector Circuit093INSPECTION PROCEDURE094ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING095IAC Valve Circuit096WIRING DIAGRAM097INSPECTION PROCEDURE098VSV Circuit for ACIS099INSPECTION PROCEDURE100ENGINE — 2JZ-GE ENGINE TROUBLESHOOTING101VSV Circuit for Fuel Pressure Control (Only for California spec.)102INSPECTION PROCEDURE103Check voltage between terminal FPU of engine control module connector and body ground.104TE1 TE2 Terminal Circuit105INSPECTION PROCEDURE