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DLN-34 < COMPONENT DIAGNOSIS > [TRANSFER: ATX14B] P1810 NEUTRAL-4LO SWITCH Are inspection results normal? YES >> GO TO 5. NO >> GO TO 2. 2. CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND NEUTRAL-4LO SWITCH 1. Turn ignition switch OFF. (Stay for at least 5 seconds.) 2. Disconnect transfer control unit harness connector and the neutral-4LO switch harness connector. 3. Check continuity between transfer control unit harness connec- Also check harness for short to ground and short to power. Are inspection results normal? YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. (Stay for at least 5 seconds.) 2. Disconnect neutral-4LO switch harness connector. 3. Check continuity between neutral-4LO switch harness connec- Also check harness for short to ground and short to power. Are inspection results normal? YES >> GO TO 4. NO >> Repair open circuit or short to ground or short to power in harness or connectors. 4. CHECK 4LO SWITCH 1. Turn ignition switch OFF. 2. Disconnect neutral-4LO switch harness connector. 3. Remove neutral-4LO switch. Connector Terminal (Wire col- or) Condition Voltage (Approx.) M153 25 - Ground • Vehicle stopped N position • Brake pedal de- pressed 4WD shift switch: Battery 4WD shift switch: 4H to Battery → 0V 4WD shift switch: 4LO 0V →
Battery 4WD shift switch: 4LO 0V Continuity should exist. SDIA2694E Continuity should exist. SDIA2695E 2009 Pathfinder |