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DLN-32 < DTC/CIRCUIT DIAGNOSIS > [TRANSFER: TX15B] P1813 4WD SHIFT SWITCH 3. Check continuity between the following terminals. - Transfer control unit harness connector E142 terminal 14 and 4WD shift switch harness connector M141 terminal 3. - Transfer control unit harness connector E142 terminal 15 and 4WD shift switch harness connector M141 terminal 5. - Transfer control unit harness connector E142 terminal 16 and 4WD shift switch harness connector M141 terminal 6. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 4. NG >> Repair or replace damaged parts. 4. CHECK 4WD SHIFT SWITCH 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 shift switch terminals. OK or NG OK >> GO TO 5. NG >> Replace 4WD shift switch. 5. CHECK TRANSFER CONTROL UNIT Check transfer control unit input/output signal. Refer to OK or NG OK >> GO TO 6. NG >> 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 Perform the self-diagnosis, after driving a vehicle for a while. OK >> Inspection End. NG >> Replace transfer control unit. Refer to DLN-91, "Removal and Installation" . Diagnosis Procedure (With 2 Control Dial System or Auto A/C) INFOID:0000000009885977 Regarding Wiring Diagram information, refer to . 1. CHECK 4WD SHIFT SWITCH SIGNAL With CONSULT 1. Turn ignition switch ON. 2. Select DATA MONITOR mode for ALL MODE AWD/4WD with CONSULT. Continuity should exist. PDIA0211E 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 PDIA0212E |