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b. Check that the accessory meter buzzer operates normally. OK: Accessory meter buzzer operates normally. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS OK: END (ACCESSORY METER IS DEFECTIVE) CLEARANCE WARNING ECU POWER SOURCE CIRCUIT DESCRIPTION This circuit is the power source circuit to operate the clearance warning ECU. WIRING DIAGRAM Fig. 40: Clearance Warning ECU Power Source - Wiring Diagram INSPECTION PROCEDURE 1. CHECK FUSE (ECU-IG No. 1) a. Remove the ECU-IG No. 1 fuse from the main body ECU. b. Measure the resistance according to the value(s) in the table below. Standard resistance FUSE (ECU-IG No. 1) RESISTANCE SPECIFICATION NG: REPLACE FUSE Tester Connection Condition Specified Condition ECU-IG No. 1 fuse Always Below 1 ohms
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Parking Assist/Monitoring - Tundra
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