ENGINE (DIAGNOSTICS)(H4DOTC) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P0512 STARTER REQUEST CIRCUIT

DTC DETECTING CONDITION:

Immediately at fault recognition

TROUBLE SYMPTOM:

Failure of engine to start

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode and Inspection Mode

WIRING DIAGRAM:

• LHD model

• RHD model

STEPCHECKYESNO

1.CHECK FOR ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Check the appropriate DTC using the “List of Diagnostic Trouble Code (DTC)”.

2.CHECK HARNESS BETWEEN ECM AND IGNITION SWITCH.

1) Turn the ignition switch to OFF.

2) Disconnect the connectors from ECM.

3) Turn the ignition switch to ON.

4) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B136) No. 32 (+) — Chassis ground (−):

Is the voltage 10 V or more?

Repair the short circuit of harness to power supply between ECM and ignition switch.

Repair the poor contact of the ECM connector.