REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH for Double Cab: (See page for CrewMax: (See page 2. REMOVE COWL SIDE TRIM BOARD LH
3. REMOVE INSTRUMENT SIDE PANEL LH
4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH
5. REMOVE AUTO HIGH BEAM SWITCH 
(a) Detach the 2 claws and remove the auto high beam switch from the lower instrument panel finish panel sub-assembly LH. |
Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The transponder key ECU assembly controls the engine immobiliser system. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE ...
