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DLK-138 < COMPONENT DIAGNOSIS > [WITH I-KEY, WITHOUT SUPER LOCK] STOP LAMP SWITCH (A/T) STOP LAMP SWITCH (A/T) Diagnosis Procedure INFOID:0000000001516691 1. CHECK STOP LAMP SWITCH INPUT SIGNAL 1. Turn ignition switch OFF. 2. Disconnect Intelligent Key unit connector. 3. Check voltage between Intelligent Key unit harness connector Is the inspection result normal? YES >> Stop lamp switch is OK. NO >> GO TO 2. 2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT 1. Disconnect stop lamp switch connector. 2. Check voltage between stop lamp switch harness connector Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness between stop lamp switch power supply circuit and fuse. 3. CHECK STOP LAMP SWITCH OPERATION Check continuity between stop lamp switch terminals 1 and 2. Is the inspection result normal? YES >> GO TO 4. NO >> Replace stop lamp switch. 4. CHECK STOP LAMP SWITCH CIRCUIT Connector Terminals Condition Voltage (V) (Approx.) (+) (-) M52 26 Ground Brake pedal depressed Battery volt- age Brake pedal released 0 WIIA1207E 1 - Ground : Battery voltage WIIA1255E Component Terminals Condition Continuity Stop lamp switch 1 2 Brake pedal depressed Yes Brake pedal released No WIIA1256E |