Toyota Corolla (E120): Instrument panel/meter

On–vehicle inspection

Instrument panel sub–assy lower

Other materials:

Circuit description
The vehicle equipped with abs detects a vehicle speed using the stability control ecu and wheel speed sensor. This sensor monitors a wheel rotation speed and sends the signal to the ecu. The stability control ecu converts these wheel speed signals into a 4–pulse signal and outputs it to ...

Monitor description
The battery supplies electricity to the ecm even when the ignition switch is off. This electricity allows the ecm store data such as dtc history, freeze frame data, fuel trim values, and other data. If the battery voltage falls below a minimum level, the ecm will conclude that there is a fault ...

Inspection procedure
Hint: perform the troubleshooting of dtc p0335 first. If no trouble is found, troubleshoot the engine mechanical systems. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When tr ...