Suzuki Vitara (LY) 2016-2017 · Service Manual M16A · Diagnostic Information and Procedures

Power Balance Test

Precautions: Precautions for Fuel System Service · General safety (00)

NOTICE:
The engine could be damaged if it is accelerated to a high rpm with a fuel injector connector disconnected.
Always perform power balance test with engine running at an idle speed.
1)For M/T model, place gear shift lever in “Neutral” and apply parking brake.
For A/T model, place select lever in P range and apply parking brake.
2)Connect scan tool to DLC (1) with ignition “OFF”.
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3)Clear DTC. icon 
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, check that engine speed decreases from specified idle speed.
7)If decreasing rates of engine speed are not in scale, check the following items.
•Fuel injector circuit icon 
•Fuel injector icon 
•Spark plug icon 
•Ignition coil circuit icon 
•Ignition coil icon 
•Engine compression icon