Diagnosis Procedure

Regarding Wiring Diagram information, refer to [POWER WINDOW SYSTEM: WIRING DIAGRAM [CREW CAB] ].

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	CHECK POWER SUPPLY CIRCUIT Turn ignition switch ON. Courtesy of SUZUKI OF AMERICA CORP. 2. Check voltage between main power window and door lock/unlock switch connector D7 terminal 5 and ground. 5 - Ground: Battery voltage Is the measurement value within the specification?	GO TO 2	GO TO 3
2	CHECK GROUND CIRCUIT Turn ignition switch OFF. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Disconnect main power window and door lock/unlock switch. 3. Check continuity between main power window and door lock/unlock switch connector D7 terminal 14 and ground. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Is the inspection result normal?	Check main power window and door lock/unlock switch output signal (rear power window switch LH) GO TO 5	Check main power window and door lock/unlock switch output signal (rear power window switch RH) GO TO 6
3	CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY CIRCUIT Turn ignition switch OFF. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Disconnect BCM and main power window and door lock/unlock switch. 3. Check continuity between BCM and main power window and door lock/unlock switch. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 4. Check continuity between BCM and ground. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Is the inspection result normal?	GO TO 4	Repair or replace harness.
4	CHECK BCM OUTPUT SIGNAL Connect BCM. Courtesy of SUZUKI OF AMERICA CORP. 2. Turn ignition switch ON. 3. Check voltage between BCM connector M20 terminal 68 and ground. 68 - Ground : Battery voltage Is the measurement value within the specification?	Check intermittent incident. Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ].	Replace BCM. Refer to [BCM (BODY CONTROL MODULE): REMOVAL AND INSTALLATION ].
5	CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POWER WINDOW SWITCH LH) Connect main power window and door lock/unlock switch. Turn ignition switch ON. Check voltage between main power window and door lock/unlock switch connector and ground. Is the measurement value within the specification?	Check intermittent incident. Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ].	Replace main power window and door lock/unlock switch. Refer to [POWER WINDOW MAIN SWITCH: REMOVAL AND INSTALLATION ].
6	CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POWER WINDOW SWITCH RH) Connect main power window and door lock/unlock switch. Turn ignition switch ON. Check voltage between main power window and door lock/unlock switch connector and ground. Is the measurement value within the specification?	Check intermittent incident. Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ].	Replace main power window and door lock/unlock switch. Refer to [POWER WINDOW MAIN SWITCH: REMOVAL AND INSTALLATION ].
7	CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT POWER WINDOW SWITCH RH) Connect main power window and door lock/unlock switch. Turn ignition switch ON. Check voltage between main power window and door lock/unlock switch connector and ground. Is the measurement value within the specification?	Check intermittent incident. Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ].	Replace main power window and door lock/unlock switch. Refer to [POWER WINDOW MAIN SWITCH: REMOVAL AND INSTALLATION ].
8	CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT POWER WINDOW SWITCH LH) Connect main power window and door lock/unlock switch. Turn ignition switch ON. Check voltage between main power window and door lock/unlock switch connector and ground. Is the measurement value within the specification?	Check intermittent incident. Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ].	Replace main power window and door lock/unlock switch. Refer to [POWER WINDOW MAIN SWITCH: REMOVAL AND INSTALLATION ].