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B2427 ENCODER DLK-453 < DTC/CIRCUIT DIAGNOSIS > [TYPE 2] C D E F G H I J L M A B DLK N O P Is the inspection result normal? YES >> GO TO 4. NO >> Replace automatic back door control unit. Refer to DLK-633, "Removal and Installation" . 4. CHECK ENCODER POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect spindle unit RH connector. 3. Check voltage between spindle unit RH harness connector and ground. Is the inspection result normal? YES >> GO TO 6. NO >> GO TO 5. 5. CHECK ENCODER CIRCUIT 1. Disconnect automatic back door control unit connector. 2. Check continuity between automatic back door control unit harness connector and spindle unit RH har- 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-633, "Removal and Installation" . NO >> Repair or replace harness. 6. CHECK ENCODER CIRCUIT 2 1. Disconnect automatic back door control unit connector. 2. Check continuity between automatic back door control unit harness connector and spindle unit RH har- 3. Check continuity between automatic back door control unit harness connector and ground. Monitor item Condition Status SPINDLE RH ENCODER A Back door Moving (auto or manu- HI ⇔ LO When stopped HI or LO SPINDLE RH ENCODER B Moving (auto or manu- HI ⇔ LO When stopped HI or LO (+) (–) Voltage (Approx.) Spindle unit RH Connector Terminal B29 3 Ground 12.3 V Automatic back door control unit Spindle unit RH Continuity Connector Terminal Connector Terminal B24 20 B29 3 Existed Automatic back door control unit Ground Continuity Connector Terminal B24 20 Not existed Automatic back door control unit Spindle unit RH Continuity Connector Terminal Connector Terminal B24 21 B29 6 Existed |