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DTC P0607 CONTROL MODULE PERFORMANCE

DTC P0607 CONTROL MODULE PERFORMANCE

DTC DETECTING CONDITION:


• Immediately at fault recognition

• GENERAL DESCRIPTION and


TROUBLE SYMPTOM:


• Erroneous idling

• Poor driving performance

Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .



WIRING DIAGRAM:


CHECK INPUT VOLTAGE OF ECM

Turn the ignition switch to ON.

Measure the voltage between ECM connector and ground.

Connector & terminal

(B135) No. 5 (+) — Chassis ground (−):

(B135) No. 6 (+) — Chassis ground (−):

Is the measured value 10 — 13 V?

Yes


No

Repair the open circuit or ground short of power supply circuit.


CHECK INPUT VOLTAGE OF ECM

Start the engine.

Measure the voltage between ECM connector and ground.

Connector & terminal

(B135) No. 5 (+) — Chassis ground (−):

(B135) No. 6 (+) — Chassis ground (−):

Is the measured value 13 — 15 V?

Yes


No

Repair the open circuit or ground short of power supply circuit.


CHECK GROUND HARNESS OF ECM

Measure the voltage between ECM connector and ground.

Connector & terminal

(B137) No. 7 (+) — Chassis ground (−):

Is the measured value less than 1 V?

Yes

Repair poor contact of ECM connector. If poor contact occur, replace the ECM.


No

Retighten the engine ground terminal.