TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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TGTE/Troubleshooting 2JZ-GTE113 / 113
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INSPECTION PROCEDURE — MK4 Supra Troubleshooting 2JZ-GTE, page 113
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EG-599 ENGINE – 2JZ-GTE ENGINE TROUBLESHOOTING INSPECTION PROCEDURE HINT: If terminals TE1 and TE2 are connected with terminal E1, diagnostic trouble code is not output or test mode is not activated. Even though terminal TE1 is not connected with terminal E1, the malfunction indicator lamp blinks. For the above phenomenon, the likely cause is an open or short in the wire harness, or malfunction inside the ECM. 1 Check voltage between terminals TE1, TE2 and E1 of data link connectors 1 and 2. ON IG ON E1 DLC1 TE1 DLC2 TE2 E1 TE1 BE6053 FI6966 FI4412 P Turn ignition switch ON. C (1) For DLC1, measure voltage between terminal TE1 and E1. (2) For DLC2 measure voltage between terminals TE1, TE2 and E1. OK Voltage: 9 — 14 V NG OK Check and replace engine control module. 2 Check continuity between terminal E1 of data link connectors 1, 2 and body ground. OK NG Repair or replace harness or connector. 3 Check for open and short in harness and connector between engine control module and data link connectors 1, 2 (See page IN–30). OK NG Repair or replace harness or connector. Check and replace engine control module.