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WCS-38 < DTC/CIRCUIT DIAGNOSIS > PARKING BRAKE SWITCH SIGNAL CIRCUIT PARKING BRAKE SWITCH SIGNAL CIRCUIT Component Function Check INFOID:0000000009654166 1. CHECK PARKING BRAKE SWITCH OPERATION Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated. YES >> Inspection End. NO >> Proceed to diagnosis procedure. Refer to Diagnosis Procedure INFOID:0000000009654167 Regarding Wiring Diagram information, refer to . 1. CONNECTOR INSPECTION 1. Turn ignition switch OFF. 2. Disconnect combination meter and parking brake switch connectors. 3. Check connectors and terminals for deformation, disconnection, looseness or damage. YES >> GO TO 2 NO >> Repair or replace as necessary. 2. CHECK PARKING BRAKE SWITCH Check parking brake switch. Refer to WCS-39, "Component Inspection" . Is the inspection result normal? YES >> GO TO 3. NO >> Replace parking brake switch. Refer to PB-9, "Removal and Installation" 3. CHECK PARKING BRAKE SWITCH SIGNAL With CONSULT. 1. Connect combination meter connector and parking brake switch connectors. 2. Turn ignition switch ON. 3. In DATA MONITOR select PARK BRAKE SW and check parking brake switch signal. Is the inspection result normal? YES >> Refer to NO >> GO TO 4. 4. CHECK PARKING BRAKE SWITCH CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect combination meter and parking brake switch connectors. 3. Check continuity between combination meter connector M24 terminal 10 and parking brake switch con- nector M17 terminal 1. 4. Check continuity between combination meter connector and ground. Condition DATA MONITOR Actuate parking brake On Release parking brake Off Combination meter Parking brake switch Continuity Connector Terminal Connector Terminal M24 10 M17 1 Yes |