DTC P1919:00 [AY6A-EL, AY6AX-EL]


id0502k1299900

DTC P1919:00

Engine coolant temperature signal error

DETECTION CONDITION
•  Conditions: TCM communication normal
•  Circumstances: Engine coolant temperature signal abnormality detected
•  Time period: Determined after 1 times
Diagnostic support note:
•  The MIL does not illuminate.
•  The AT warning light does not illuminate.
•  PENDING CODE is not available.
•  FREEZE FRAME DATA is available.
•  The DTC is stored in the TCM memory.
FAIL-SAFE FUNCTION
•  Inhibits slip control
•  Fixes the engine coolant temperature signal at 80 °C{176 °F}
POSSIBLE CAUSE
•  PCM malfunction
SYSTEM WIRING DIAGRAM

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has the FREEZE FRAME DATA been recorded on the repair order?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY DTC HAVE BEEN PRESENTED
•  Switch the ignition ON (Engine off).
•  Read the DTC in the PCM.
•  Are any DTCs stored?
Yes
Go to the applicable DTC inspection.
No
Go to the next step.
4
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all the disconnected connectors.
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Start the engine.
2.  Warm up the engine to normal operating temperature.
3.  Drive the vehicle in D position for 0.5 s or more.
•  Is the same DTC present?
Yes
Repeat Step 3.
No
Go to the next step.
5
VERIFY NO DTCs ARE PRESENT
•  Perform the “Reading DTCs Procedure”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.