A/T Models

DIAGNOSIS PROCEDURE CHART

Step	Action	YES	NO
1	CHECK OVERALL FUNCTION-I With SDT Turn ignition switch ON. Select "BRAKE SW1" in "Data list" mode with SDT. Check "BRAKE SW1" indication under the following conditions. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2) Without SDT Turn ignition switch ON. Check voltage between ECM terminal 108 and ground under the following conditions. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. OK or NG	INSPECTION END.	GO TO 2.
2	CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect ASCD brake switch harness connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 3. Turn ignition switch ON. 4. Check voltage between ASCD brake switch terminal 1 and ground with SDT or tester. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Voltage: Battery voltage OK or NG	GO TO 4.	GO TO 3.
3	DETECT MALFUNCTIONING PART Check the following. Fuse block (J/B) connector E160 10A fuse (No. 12) Harness for open or short between ASCD brake switch and fuse	Repair open circuit or short to ground in harness or connectors.
4	CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT Turn ignition switch OFF. Disconnect ECM harness connector. Check harness continuity between ECM terminal 108 and ASCD brake switch terminal 2. Refer to WIRING DIAGRAM . Continuity should exist. Also check harness for short to ground and short to power. OK or NG	GO TO 5.	Repair open circuit, short to ground or short to power in harness or connectors.
5	CHECK ASCD BRAKE SWITCH Refer to [ASCD BRAKE SWITCH CIRCUIT CHECK ]. OK or NG	GO TO 6.	Replace ASCD brake switch.
6	CHECK INTERMITTENT INCIDENT Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ]	INSPECTION END