Operation CHARM: Car repair manuals for everyone.

Road Test




Road Test

The road test is to diagnose the failure symptom accurately and check the failure symptom after procedure.

The oil temperature before the road test is 50-80°C (122-176°F).

1. Drive (D) range test

* Check for up-shift, down-shift, kick-down and lock-up operation at the shift point shown in the shift schedule.
* Check for engine brake operation.
* Check for abnormal shock, noise, and harshness.

2. Park (P) range test
Park the vehicle on a gradient, more than 5 degrees, shift into the park (P) range and release the parking brake. Make sure the vehicle is not moving by operations of the parking lock pawl.