INSPECTION PROCEDURE 1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
(b) Check that the switch illuminates. OK:
If the result is not as specified, replace the back sonar or clearance sonar switch assembly. Text in Illustration
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Toyota Tundra Service Manual > Sfi System: Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION When troubleshooting OBD II (On-Board Diagnostics) vehicles, the Techstream (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle's ECM (Engine Control Module) can then be read. OBD II regulations ...