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

DTC P2012 INTAKE MANIFOLD RUNNER CONTROL CIRCUIT LOW (BANK 2)

DTC DETECTING CONDITION:

Immediately at fault recognition

CAUTION:

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

WIRING DIAGRAM:

STEPCHECKYESNO

1.CHECK HARNESS BETWEEN ECM AND TUMBLE GENERATOR VALVE ASSEMBLY LH CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector from ECM.

3) Measure the voltage between ECM and chassis ground.

Connector & terminal

(B137) No. 12 (+) — Chassis ground (−):

(B137) No. 13 (+) — Chassis ground (−):

Is the voltage 5 V or more?

Repair the short circuit to power in harness between ECM and tumble generator valve assembly LH connector.

Replace the tumble generator valve assembly LH.