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01 02 03 SJC8A00E44381000000FAAT03 − − − − − − The VTM-4 indicator does not come on YES NO YES NO YES NO 15-42 Rear Differential Symptom Troubleshooting (cont’d) VTM-4 CONTROL UNIT CONNECTORS WARN 1 B (12P) A (22P) WARN 2 JUMPER WIRE JUMPER WIRE RED/WHT JUMPER WIRE GAUGE CONTROL MODULE CONNECTOR C (20P) VTM-4 CONTROL UNIT CONNECTORS WARN 1 B (12P) A (22P) WARN 2 1. Do the gauge control module self-diagnosis function (see page 22-244). Go to step 2. Go to the gauge control module input test (see page 22-244) and check for an open or short in 2. Disconnect the VTM-4 control unit connectors A (22P) and B (12P). 3. Connect the No. 14 terminal of the VTM-4 control unit connector A (22P) and No. 11 terminal of the 4. Turn the ignition switch ON (II). 5. Watch the VTM-4 indicator. Check for poor connections or loose terminals at the VTM-4 control unit connectors. If Go to step 6. 6. Turn the ignition switch OFF. 7. Disconnect gauge control module connector A (30P). 8. Connect the No. 3 terminal of the gauge control module connector C (20P) to body ground with a 9. Check for continuity between the No. 14 terminal of the VTM-4 control unit connector A (22P) and body Substitute a known-good gauge control module and recheck. If the symptom/indication Repair open in the wire between the gauge control module (C3) and the VTM-4 control unit. Wire side of female terminals Wire side of female terminals Wire side of female terminals Is the gauge contr ol module OK ? Does the V T M-4 indicator come on? Is ther e continuity? |