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 repairing or replacing the defective part, perform the 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 connectors from the 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 the harness between ECM and tumble generator valve assembly LH.

Replace the tumble generator valve assembly LH.