DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
| P0890 | TCM (Transmission Control Module Power Relay Sense Circuit Low) | When all of the following conditions are satisfied and this state is
maintained
for 0.2 seconds:
|
POSSIBLE CAUSE
FAIL-SAFE
DTC CONFIRMATION 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-155, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
1.CHECK TCM POWER SUPPLY (BACK-UP) CIRCUIT

Is the inspection result normal? YES >> Replace TCM. Refer to TM-202, "Removal and Installation".
NO >> GO TO 2.
2.DETECT MALFUNCTIONING ITEMS
Check the following items:
Is the inspection result normal? YES >> INSPECTION END
NO >> Repair or replace malfunctioning parts.
P0863 TCM communication
P0962 pressure control solenoid ATPMS
Symptom Table
LOW TIRE PRESSURE WARNING LAMP SYMPTOM CHART
Diagnosis
items
Symptom
(Power switch ON)
Low tire pressure warning lamp
Cause
Action
Low tire pressure
warning
lamp
The low tire pressure
warning lamp
illuminates for 1
second, then turn ...
Heater and Air Conditioner (automatic)
(if so equipped)
Heater and Air Conditioner
(front defroster) button
Temperature control dial (driver’s side) /
ON-OFF button
MODE (manual air flow control) button
Display screen
A/C (air conditioner) button
Temperature control dial (passenger’s
side)/DUAL (pa ...
Preparation
Special service tools
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-48891)
Spark plug socket
Removing and installing spark plug
KV10111100
(J-37228)
Seal cutter ...