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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE DLN-77 < SYMPTOM DIAGNOSIS > [TRANSFER: TX15B] C E F G H I J K L M A B DLN N O P 4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT Description INFOID:0000000005275466 4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch. Diagnosis Procedure INFOID:0000000005275467 1. CONFIRM THE SYMPTOM Confirm 4WD shift indicator lamp and 4LO indicator lamp when ignition switch is turned to ON. Do 4WD shift indicator lamp and 4LO indicator lamp turn on? YES-1 (A/T models)>>GO TO 2. >> Go to 2. CHECK SYSTEM FOR STOP LAMP SWITCH Perform trouble diagnosis for stop lamp switch system. Refer to BRC-116, "Diagnosis Procedure" (Type 2) or BRC-234, "Diagnosis Procedure" (Type 3). Are the inspection results normal? YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK SYSTEM FOR 4WD SHIFT SWITCH Perform trouble diagnosis for 4WD shift switch system. Refer to Are the inspection results normal? YES >> GO TO 4. NO >> Repair or replace damaged parts. 4. CHECK SYSTEM FOR WAIT DETECTION SWITCH Perform trouble diagnosis for wait detection switch system. Refer to Are the inspection results normal? YES >> GO TO 5. NO >> Repair or replace damaged parts. 5. CHECK SYSTEM FOR 4LO SWITCH Perform trouble diagnosis for 4LO switch system. Refer to Are the inspection results normal? YES >> GO TO 6. NO >> Repair or replace damaged parts. 6. CHECK SYSTEM FOR ATP SWITCH Perform trouble diagnosis for ATP switch system. Refer to . Are the inspection results normal? YES >> GO TO 7. NO >> Repair or replace damaged parts. 7. SYMPTOM CHECK Check again. Does the symptom still occur? YES >> GO TO 8. NO >> Inspection End. 8. CHECK TRANSFER CONTROL UNIT Check transfer control unit input/output signal. Refer to Are the inspection results normal? |