DTC Logic
DTC DETECTION LOGIC
DTC | Trouble diagnosis name | DTC detection condition | Possible causes |
P0890 | Transmission Control Module Power Relay Sense Circuit Low | Under the following diagnosis
conditions, the battery voltage
supplied to the TCM is less than
8.4V continuously for 0.2 seconds
or more. - Diagnosis condition - TCM power supply voltage: More than 11 V |
Harness or connector (TCM power supply circuit is open or shorted.) |
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
Is "P0890" detected?
YES >> Go to TM, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK TCM BATTERY VOLTAGE CIRCUIT
Is the check result normal?
YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".
NO >> GO TO 2.
2.DETECTION OF MALFUNCTION ITEMS
10 A fuse (#49, IPDM E/R). Refer to PG, "IPDM E/R Terminal Arrangement".
Is the check result normal? YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.