Hybrid Diagnostic Modes

Engine Running Diagnostic Mode 

The green READY indicator flashing once every 3 seconds indicates the vehicle is in the engine running diagnostic mode.

• apply the parking brake
• place the gear selector in the PARK position
• ignition in the OFF position
• NOTE: Do not start the engine.

  ignition in the ON position with the engine OFF

• within 5 seconds of the ignition in the ON position, fully apply the accelerator and brake pedals, hold the accelerator and brake pedals fully applied for 10 seconds
• within 5 seconds, release the accelerator pedal, cycle the ignition to the ON/RUN position, fully apply the accelerator pedal and hold the engine RPM at the REV limiter, approximately 4, 000 RPM, for 10 seconds until the green READY indicator turns OFF, then release the accelerator pedal

If the green READY indicator does not turn off after 10 seconds, cycle the ignition to the off position. Allow the vehicle enough time for all the modules to power down then procedure can be repeated.

Engine Cranking Diagnostic Mode 

This procedure can be completed multiple times for a compression test, or any test that requires the engine to crank, but not start.

• apply the parking brake
• place the gear selector in the PARK position
• ignition in the OFF position
• fully apply the brake and accelerator pedals
• hold the brake and accelerator pedals
• ignition in the ON position to crank the engine