ON-VEHICLE INSPECTION PROCEDURE 1. CHECK FRONT SEAT AIRBAG ASSEMBLY LH (VEHICLE NOT INVOLVED IN COLLISION)
(b) With the front seat airbag assembly LH installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seat with a new one: Cuts, minute cracks or marked discoloration on the front seatback around the front seat airbag assembly LH. 2. CHECK FRONT SEAT AIRBAG ASSEMBLY LH (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
(b) With the front seat airbag assembly LH removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seat airbag assembly LH with a new one:
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Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: 4WD Control Switch Circuit
WIRING DIAGRAM PROCEDURE 1. CONFIRM PROBLEM SYMPTOM (a) Confirm the problem symptoms. Result Result Proceed to The 4HI and 4LO indicator lights are not illuminated A The 4HI indicator light is illuminated and the 4LO indicator light is not illuminated B The 4HI indicator light is not illuminated and ...