Diagnosis Procedure

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	CHECK GROUND CONNECTIONS Turn ignition switch OFF. Loosen and retighten three ground screws on the body. Refer to [POWER SUPPLY AND GROUND CIRCUIT CHECK ]. Courtesy of SUZUKI OF AMERICA CORP. OK or NG	GO TO 2.	Repair or replace ground connections.
2	CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT Disconnect battery current sensor harness connector. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. 2. Turn ignition switch ON. 3. Check voltage between battery current sensor terminal 1 and ground with SDT or tester. Courtesy of SUZUKI OF AMERICA CORP.SUZUKI OF AMERICA CORP. Voltage: Approximately 5V OK or NG	GO TO 4.	GO TO 3.
3	DETECT MALFUNCTIONING PART Check the following. Harness connectors E5, F14 Harness for open or short between battery current sensor and ECM	Repair open circuit or short to ground or short to power in harness or connectors.
4	CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT Turn ignition switch OFF. Disconnect ECM harness connector. Check harness continuity between battery current sensor terminal 2 and ECM terminal 67. Continuity should exist. Also check harness for short to ground and short to power. OK or NG	GO TO 6.	GO TO 5.
5	DETECT MALFUNCTIONING PART Check the following. Harness connectors E5, F14 Harness for open or short between battery current sensor and ECM	Repair open circuit or short to ground or short to power in harness or connectors.
6	CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT Check harness continuity between battery current sensor terminal 3 and ECM terminal 71. Continuity should exist. Also check harness for short to ground and short to power. OK or NG	GO TO 8.	GO TO 7.
7	DETECT MALFUNCTIONING PART Check the following. Harness connectors E5, F14 Harness for open or short between battery current sensor and ECM	Repair open circuit or short to ground or short to power in harness or connectors.
8	CHECK BATTERY CURRENT SENSOR Refer to [P1553 BATTERY CURRENT SENSOR ]. OK or NG	GO TO 9.	Replace battery negative cable assembly.
9	CHECK INTERMITTENT INCIDENT Refer to [SERVICE INFORMATION FOR ELECTRICAL INCIDENT: INTERMITTENT INCIDENT ]	INSPECTION END