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ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM (FS)] 01–02B–152 DTC P1632 [FS] A3U010201083W14 Diagnostic procedure End Of Sie DTC P1632 Battery voltage monitor signal circuit malfunction DETECTION CONDITION • PCM monitors voltage of battery positive terminal at PCM terminal 4. If PCM detects battery positive POSSIBLE CAUSE • Open circuit in wiring between battery positive terminal and PCM terminal 4 • Poor connection of PCM connector • PCM malfunction STEP INSPECTION ACTION 1 VERIFY RELATED REPAIR INFORMATION • Check for related Service Bulletins availability. • Is any related repair information available? Yes Perform repair or diagnosis according to available repair information. • If vehicle is not repaired, go to next step. No Go to next step. 2 INSPECT PCM CONNECTOR FOR POOR • Disconnect PCM connector. • Check for poor connection (damaged/pulled- • Is there malfunction? Yes Repair terminals, then go to Step 5. No Go to next step. 3 INSPECT MONITOR CIRCUIT FOR OPEN • Disconnect battery cables. • Check for continuity between Battery positive • Is there continuity? Yes Go to next step. No Repair or replace harness, then go to next step. 4 VERIFY TROUBLESHOOTING OF DTC P1632 • Make sure to reconnect all disconnected • Clear DTC from memory using WDS or • Turn ignition key to OFF, then start engine. • Is same DTC present? Yes Replace PCM, then go to next step. No No concern is detected. Go to next step. 5 VERIFY AFTER REPAIR PROCEDURE • Perform “After Repair Procedure”. • Is there any DTC present? Yes Go to applicable DTC inspection. (See 01–02B–15 DTC TABLE [FS].) No Troubleshooting completed. 1712-1U-01G(01-02B).fm 152 ページ 2001年6月29日 金曜日 午後3時24分 |