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P1813 4WD SHIFT SWITCH DLN-33 < COMPONENT DIAGNOSIS > [TRANSFER: TX15B] C E F G H I J K L M A B DLN N O P 3. Operate 4WD shift switch and check continuity between 4WD Are the inspection results normal? YES >> GO TO 5. NO >> Replace 4WD shift switch. 5. CHECK TRANSFER CONTROL UNIT Check transfer control unit input/output signal. Refer to Are the inspection results normal? YES >> GO TO 6. NO >> Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts. 6. CHECK DTC Drive the vehicle and then perform self-diagnosis. Is DTC P1813 displayed? YES >> Replace transfer control unit. Refer to DLN-94, "Removal and Installation" . NO >> Inspection End. Component Inspection INFOID:0000000005275433 1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.) 2. Remove 4WD shift switch harness connector. 3. Operate 4WD shift switch and check continuity between 4WD 4. If the inspection results are abnormal replace the 4WD shift switch. Terminal Condition Continuity 1 - 3 4WD shift switch: 2WD Yes 4WD shift switch: 4H and 4LO No 1 - 5 4WD shift switch: 4H Yes 4WD shift switch: 2WD and 4LO No 1 - 6 4WD shift switch: 4LO Yes 4WD shift switch: 2WD and 4H No SDIA2805E Terminal Condition Continuity 1 - 3 4WD shift switch: 2WD Yes 4WD shift switch: 4H and 4LO No 1 - 5 4WD shift switch: 4H Yes 4WD shift switch: 2WD and 4LO No 1 - 6 4WD shift switch: 4LO Yes 4WD shift switch: 2WD and 4H No SDIA2805E |