DESCRIPTION When the A.D.D. actuator is switching between 2WD and 4WD, the DL1 and DL2 terminals of the limit switch are in one of the ON/OFF combinations listed in the table below.
This DTC is detected when the limit switch ON/OFF combination (2 lines) is abnormal.
WIRING DIAGRAM PROCEDURE
(a) Disconnect the A25 4 wheel drive control ECU connector. (b) Disconnect the G1 A.D.D. actuator (differential vacuum actuator assembly) connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Disconnect the G1 A.D.D. actuator (differential vacuum actuator assembly) connector. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Rear View Monitor System(for Radio And Display Type): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the rear view monitor system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CHECK DTC OF AUDIO AND VISUAL SYSTEM (a) Refer to DTC Check/Clear procedures of the audio and visual system. Click here ...