Pinout Values and Diagnostic Parameters

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for 2ZR-FE): TERMINALS OF ECU

1. CHECK POWER STEERING ECU





(a) Measure the voltage and resistance according to the value(s) in the table below.

NOTICE:
* Check if the power steering ECU connectors are securely connected by pulling on them from the backside.
* If the P/S warning light is illuminated due to a malfunction, the fail-safe function may cause the voltage of the power steering ECU's terminals to become 0 V.






(b) If the result is not as specified, the ECU may have a malfunction.