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AUTOMATIC BACK DOOR SWITCH DLK-143 < DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] C D E F G H I J L M A B DLK N O P AUTOMATIC BACK DOOR SWITCH Description INFOID:0000000009719073 Automatic back door system can be operated from driver seat area by automatic back door switch. Component Function Check INFOID:0000000009719074 1. CHECK FUNCTION Check automatic back door switch (“AUTO BD SW”) in Data Monitor mode. Is the inspection result normal? YES >> Automatic back door switch is OK. NO >> Refer to DLK-143, "Diagnosis Procedure" Diagnosis Procedure INFOID:0000000009719075 1. CHECK AUTOMATIC BACK DOOR CONTROL UNIT OUTPUT 1. Turn ignition switch OFF. 2. Disconnect automatic back door switch connector. 3. Check voltage between automatic back door switch harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK AUTOMATIC BACK DOOR SWITCH CIRCUIT 1. Disconnect automatic back door control unit connector. 2. Check continuity between automatic back door control unit harness connector and automatic back door 3. Check continuity between automatic back door control unit harness connector and ground. Is the inspection result normal? YES >> Replace automatic back door control unit. Refer to DLK-368, "Removal and Installation" . NO >> Repair or replace harness. 3. CHECK AUTOMATIC BACK DOOR SWITCH GROUND CIRCUIT Check continuity between automatic back door switch harness connector and ground. Monitor item Condition Status AUTO BD SW Automatic back door switch Pressed ON Released OFF (+) (–) Voltage (V) (Approx.) Automatic back door switch Connector Terminal M111 1 Ground Battery voltage Automatic back door control unit Automatic back door switch Continuity Connector Terminal Connector Terminal B8 2 M111 1 Existed Automatic back door control unit Ground Continuity Connector Terminal B8 2 Not existed |