Component Tests and General Diagnostics
ENGINE TUNE-UP [AJ]Engine Tune-up Preparation
1. Turn off the electrical loads.
2. Warm up the engine as follows.
1) Start the engine.
2) Maintain the engine speed 2,500 - 3,000 rpm until the cooling fans start to operate.
3) Release the accelerator pedal.
4) Wait until the cooling fans stop.
3. Connect the SST (WDS or equivalent) to the DLC-2.
Idle Speed Inspection
Note:
^ Idle speed is not adjustable.
^ Idle speed verification requires WDS or equivalent.
1. Verify that the idle speed (WDS: RPM PID) is within the specification using WDS or equivalent.
Standard:
1. Verify that the idle speed and ignition timing are within the specification.