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TROUBLE DIAGNOSIS FOR SYSTEM TF-227 [TX15B] C E F G H I J K L M A B TF
2005 Pathfinder DIAGNOSTIC PROCEDURE 1. CHECK 4LO POSITION SWITCH SIGNAL With CONSULT-II 1. Start engine. 2. Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II. 3. Read out the value of “4L POSI SW”. Without CONSULT-II 1. Start engine. 2. Check voltage between transfer control unit harness connector OK or NG OK >> GO TO 5. NG >> GO TO 2. 2. CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND 4LO SWITCH 1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.) 2. Disconnect transfer control unit harness connector and the 4LO switch harness connector. 3. Check continuity between transfer control unit harness connec- Also check harness for short to ground and short to power. OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts. Condition Display value ● Vehicle stopped ● Engine running ● A/T selector lever “N” position ● Brake pedal depressed 4WD shift switch: 4LO ON Except the above OFF PDIA0220E Connector Terminal (Wire color) Condition Voltage (Approx.) E142 24 - Ground ● Vehicle stopped ● Engine running ● A/T selector lever ● Brake pedal 4WD shift switch: 4LO 0V Except the above Battery PDIA0201E Continuity should exist. PDIA0202E |