Toyota Corolla Cross: Cellular Communication

 Road Test

ROAD TEST PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transaxle does not change gear ratios or changes ratios at the wrong engine speed, conduct the following road test while referring to the

 Brake Switch "A" Circuit Open (P057113)

DESCRIPTION When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (brake booster with master cylinder assembly) operates the stop light switch assembly (stop light control relay) to illuminate the stop lights. If the hybrid vehicle control ECU receives a sig