Diesel Data: Automotive Repair

Power Balance Test

Power Balance Test

CAUTION: When performing power balance test, do not increase engine speed higher than set idling speed. Doing so may damage engine.

1. For CVT model, place select lever in "P" and apply parking brake. For M/T model, place gear shift lever in "Neutral" and apply parking brake.
2. Connect scan tool to DLC (1) with ignition mode of keyless push start system in "OFF".

Special Tool
(A): SUZUKI scan tool (SUZUKI-SDT)






3. Clear DTC.
4. Warm up engine to normal operating temperature.
5. Using SUZUKI scan tool, select "Fuel Injector" in "Active Test" and turn off each fuel injector.
6. With each fuel injector turned off, confirm that engine speed falls lower than specified idle speed.
7. If rates of engine speed decrease are not in scale, check following items.
- Fuel injector circuit
- Fuel injector
- Spark plug
- Ignition coil circuit
- Ignition coil
- Engine compression