Toyota Tundra Service Manual > Clearance Sonar Main Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Switch Condition Specified Condition 7 (IG) - 8 (SK) Sonar switch off 10 kΩ or higher Sonar switch on Below 1 ...