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ST-18 < DTC/CIRCUIT DIAGNOSIS > [WITH HEATED STEERING WHEEL] HEATED STEERING WHEEL SYSTEM Is the inspection result normal? YES >> GO TO 9. NO >> Repair or replace damaged parts. 9. CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND HEATED STEERING WHEEL SWITCH 1. Check continuity between fuse block (J/B) connector terminal and heated steering wheel switch harness 2. Check continuity between fuse block (J/B) harness connector terminal and ground. Is the inspection result normal? YES >> GO TO 10. NO >> Repair or replace damaged parts. 10. CHECK POWER SUPPLY (IGNITION) Check the following. • 10A fuse [No.3, located in the fuse block (J/B)]. Refer to PG-91, "Fuse, Connector and Terminal Arrange- . • Fuse block (J/B) YES >> Replace heated steering wheel switch. Refer to ST-66, "Removal and Installation" . NO >> Repair or replace damaged parts. Component Inspection (Heated Steering Wheel) INFOID:0000000009721467 1. CHECK HEATED STEERING WHEEL CONTINUITY Check continuity between heated steering wheel connector terminals. Is the inspection result normal? YES >> GO TO 2. NO >> Replace heated steering wheel. Refer to ST-36, "Removal and Installation" . 2. CHECK HEATED STEERING WHEEL RESISTANCE Check resistance between heated steering wheel connector terminals. Heated steering wheel relay Ground Continuity Connector Terminal M27 2 Not existed Fuse block (J/B) Heated steering wheel switch Continuity Connector Terminal Connector Terminal M1 2A M28 1 Existed Fuse block (J/B) Ground Continuity Connector Terminal M1 2A Not existed Heated steering wheel Condition Continuity Terminal 1 − 2 Leather surface temperature of ° C (68 ° F) or less Existed Leather surface temperature of ° C (86 ° ) or more Not existed |