Power Balance Test

NOTE: The engine could be damaged if it is accelerated to a high rpm with an injector connector disconnected.
Always perform power balance test with engine running at an idle speed.

NOTE: For identification of each cylinder, refer to PRECAUTIONS FOR IDENTIFICATION OF CYLINDER .

For A/T model, place select lever in "P" and apply parking brake.
For M/T model, place gear shift lever in "Neutral" and apply parking brake.
Warm up engine to normal operating temperature.
Disconnect fuel injector connector (1) for cylinder No. 1.

Fig 1: Identifying Fuel Injector Connector
Courtesy of SUZUKI OF AMERICA CORP.
Check that engine speed decreases from specified idle speed.
Repeat Step 3) and Step 4) for all cylinders, compare rates of engine speed decrease.
If rates of engine speed decrease are not in scale, check following items.
- Fuel injector circuit. Refer to Fuel Injector Circuit Check .
- Fuel injector. Refer to Fuel Injector Inspection .
- Spark plug. Refer to SPARK PLUG INSPECTION .
- Ignition coil circuit. Refer to IGNITION SYSTEM CHECK .
- Ignition coil. Refer to IGNITION COIL ASSEMBLY INSPECTION .
- Engine compression. Refer to COMPRESSION CHECK .
Clear DTC. DTC CLEARANCE .