AWD Warning Lamp Does Not Turn On When The Ignition Switch Is Turned On
AWD Warning Lamp Does Not Turn ON When The Ignition Switch Is Turned to ONDIAGNOSTIC PROCEDURE
1. CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to TF-22, "SELF-DIAG RESULT MODE". Self-Diag Result Mode
Is the "CAN COMM CIRCUIT [U1000]" displayed?
YES >> Perform trouble diagnosis for CAN communication line. Refer to TF-32, "CAN Communication Line". CAN Communication Line
NO >> GO TO 2.
2. CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to TF-20, "AWD Control Unit Input/Output Signal Reference Values". AWD Control Unit Input/Output Signal Reference Values
OK or NG
OK >> GO TO 3.
NG >> Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
3. CHECK OUTPUT SIGNAL WITH UNIFIED METER AND A/C AMP.
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "DATA MONITOR" mode for "METER A/C AMP" with CONSULT-II.
3. Start the engine, and then make sure that "4WD W/L" display turns from "ON" to "OFF" after several seconds.
OK or NG
OK >> GO TO 4.
NG >> Perform trouble diagnosis for combination meter. Refer to DI-18, "Trouble Diagnosis".
4. SYMPTOM CHECK
Check again.
OK or NG
OK >> INSPECTION END
NG >> Replace unified meter control unit assembly.