4AT RE4F03C

P0890 TCM

DTC Logic


DTC DETECTION LOGIC







DTC REPRODUCTION PROCEDURE


1. PREPARATION BEFORE WORK

If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
- GO TO 2.

2. CHECK DTC DETECTION

1.Start the engine.
2.Check the first trip DTC.
Is "P0890" detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK TCM BATTERY VOLTAGE CIRCUIT

1.Turn the ignition switch ON.
2.Disconnect the TCM connector.
3.Disconnect the IPDM E/R connector.
4.Check the continuity between the TCM harness connector and the IPDM E/R harness connector.





Is the check result normal?
YES - Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- GO TO 2.

2. DETECTION OF MALFUNCTION ITEMS

10 A fuse (#49, IPDM E/R). Refer to "IPDM E/R Terminal Arrangement" IPDM E/R Terminal Arrangement.
Is the check result normal?
YES - Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace the malfunctioning parts.