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P1611

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P1611


CHECK ENGINE Request Circuit. Short to Ground.


Fault symptoms

CHECK ENGINE lamp on.

Conditions

Ignition ON. Short circuit to ground for longer than 2.5 sec.

Diagnostic help

CHECK ENGINE request comes from the automatic transmission control module to turn on the CHECK ENGINE lamp because of an emission-related fault in the automatic transmission.

Status, "ON/OFF", of CHECK ENGINE request can be read with the diagnostic tool.


- Select " Data Display / Output Control (New)".

- CHECK ENGINE Request (Wire from TCM)


The CHECK ENGINE request can be activated with the diagnostic tool via the automatic transmission control module.


- Engine running



- Select " Data Display / Output Control (New)".



- Select " CHECK ENGINE Lamp".


The CHECK ENGINE lamp should go on if the function is working correctly.

Checking the wiring harness. Intermittent faults may occur in connection with short circuits and open circuits. Jiggle the wiring harness at several points and in several directions to locate any problems in the wiring, including intermediate connectors. Observe the multimeter, scan tool or test lamp during the check.