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 LIGHT SWITCH ASSEMBLY 
(a) Using a screwdriver, detach the 2 claws and remove the interior room light switch assembly. HINT: Protective tape the screwdriver tip before use. |
Toyota Tundra Service Manual > Sfi System: Actuator Supply Voltage Circuit / Open (P0657)
DESCRIPTION The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage usually is 0 V when the ignition switch is turned off. If the output voltage is higher than 7 V when the ignition switch is turned off, the ECM w ...
