id0902e8988900
| DESCRIPTION |
Erratic signal from TCM |
|---|---|
|
DETECTION CONDITION
|
• Instrument cluster receives the erratic data from TCM when the ignition switch is ON.
|
|
POSSIBLE CAUSE
|
• TCM DTC is stored
• TCM malfunction
• Instrument cluster malfunction
|
Diagnostic Procedure
| STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
CONFIRM TCM DTC
• Perform the DTC inspection to confirm the TCM DTC using the M-MDS. (See
ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [FS5A-EL].) (See
ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [AW6A-EL, AW6AX-EL].)
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
Go to the next step.
|
||
|
2
|
CONFIRM INSTRUMENT CLUSTER DTC
• Clear the DTC from the instrument cluster using the M-MDS. (See
CLEARING DTC [INSTRUMENT CLUSTER].)
• Turn the ignition switch to the ON position and wait for
20 s or more.
• Drive the vehicle at speed of
30 km/h {19 mph} or more.
• Perform the “DTC INSPECTION” to confirm the instrument cluster DTC using the M-MDS. (See
DTC INSPECTION [INSTRUMENT CLUSTER].)
• Is the same DTC present?
|
Yes
|
Replace the TCM, then go to the next step.
|
|
No
|
Go to Step 4.
|
||
|
3
|
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the instrument cluster using the M-MDS. (See
CLEARING DTC [INSTRUMENT CLUSTER].)
• Turn the ignition switch to the ON position and wait for
20 s or more.
• Drive the vehicle at speed of
30 km/h {19 mph} or more.
• Perform the “DTC INSPECTION” to confirm the instrument cluster DTC using the M-MDS. (See
DTC INSPECTION [INSTRUMENT CLUSTER].)
• Is the same DTC present?
|
Yes
|
Replace the instrument cluster, then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
4
|
VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
||