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 > Room Light Switch: Removal
REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH (a) for Double Cab: Click here (b) for CrewMax: Click here 2. REMOVE COWL SIDE TRIM BOARD LH Click here 3. REMOVE INSTRUMENT SIDE PANEL LH Click here 4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH Click here 5. REMOVE INTERIOR ROOM ...