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ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM (ZM)] 01–02A–90 DTC P0463 [ZM] A3U010201086W27 Diagnostic procedure DTC P0463 Fuel gauge sender unit circuit high input DETECTION CONDITION • PCM monitors the voltage of fuel gauge sender unit. If PCM detects PCM terminal 63 voltage above 4.92 Diagnostic support note • This is a continuous monitor (CCM). • MIL illuminates if PCM detects the above malfunction condition in two consecutive drive cycles. • PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle. • FREEZE FRAME DATA is available. • DTC is stored in PCM memory. POSSIBLE CAUSE • Fuel gauge sender unit malfunction • Open circuit between fuel gauge sender unit terminal A and PCM terminal 63. • Open circuit between fuel gauge sender unit terminal C and body ground. • Poor connection of fuel gauge sender unit and/or PCM connector • PCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN • Has FREEZE FRAME DATA been recorded? Yes Go to next step. No Record FREEZE FRAME DATA on repair order, then go to 2 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. 3 INSPECT FUEL GAUGE SENDER UNIT • Turn ignition key to OFF. • Disconnect fuel gauge sender unit connector. • Check for poor connection (damaged/pulled- • Is there malfunction? Yes Repair suspected terminal, then go to Step 8. No Go to next step. 1712-1U-01G(01-02A).fm 90 ページ 2001年6月29日 金曜日 午後2時20分 |