Inspection Procedure
WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK SELF-DIAGNOSTIC RESULTS
Check the self-diagnostic results.
SELF-DIAGNOSTIC RESULTSSelf-diagnostic results LOW POWER VOLTAGE Is above displayed in the self-diagnosis item?
- YES: GO TO 2.
- NO: INSPECTION END
- CHECK CONNECTOR
- Turn ignition switch OFF and disconnect VDC/TCS/ABS control unit connector. Then reconnect it securely.
- Perform self-diagnosis.
Do any self-diagnosis items appear?
- YES: GO TO 3.
- NO: Poor connection. Repair or replace connector.
- CHECK VDC/TCS/ABS CONTROL UNIT POWER SYSTEM (1)
- Turn ignition switch OFF and disconnect VDC/TCS/ABS control unit connector.
- Turn ignition switch ON (but do not start engine). Check voltage between VDC/TCS/ABS control unit harness connector M93 and ground.
VOLTAGE SPECIFICATIONSVDC/TCS/ABS control unit Ground Voltage 1 - Battery voltage (Approx. 12 V) OK or NG
- OK: GO TO 4.
- NG: GO TO 5.
- CHECK VDC/TCS/ABS CONTROL UNIT GROUND CIRCUIT
Turn ignition switch OFF and check VDC/TCS/ABS control unit ground circuit.
CONTINUITY CONDITIONSVDC/TCS/ABS control unit Ground Continuity 28, 29 - Yes OK or NG
- OK: Perform VDC/TCS/ABS control unit self-diagnosis again.
- NG: Poor installation of VDC/TCS/ABS control unit, or harness malfunction
- CHECK VDC/TCS/ABS CONTROL UNIT POWER SYSTEM (2)
- Check fuse 10 A.
- Check continuity between battery positive terminal and VDC/TCS/ABS control unit harness connector M93.
CONTINUITY CONDITIONSVDC/TCS/ABS control unit Battery positive terminal Continuity 1 - Yes OK or NG
- OK: Check for non-standard conditions in battery (terminal looseness, low voltage, etc.) And alternator.
- NG:
- Replace 10 A fuse.
- Open or short in harness.