id0902z2885600
| DESCRIPTION |
Erratic signal from PCM |
|---|---|
|
DETECTION CONDITION
|
• Rear vehicle monitoring control module (RH) receives erratic signal from PCM for
1 s or more.
|
|
POSSIBLE CAUSE
|
• PCM malfunction
• Rear vehicle monitoring control module (RH) malfunction
|
Diagnostic Procedure
| STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
CONFIRM PCM DTC
• Perform the DTC inspection to confirm the PCM DTC using the M-MDS. (See
ON-BOARD DIAGNOSTIC TEST [L3 Turbo].) (See
ON-BOARD DIAGNOSTIC TEST [MZR-CD 2.2].)
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
(See
DTC TABLE [L3 Turbo].)
(See
DTC TABLE [MZR-CD 2.2].)
|
|
No
|
Go to the next step.
|
||
|
2
|
VERIFY PCM MALFUNCTION
• Clear the DTC from the rear vehicle monitoring control module using the M-MDS. (See
CLEARING DTC [REAR VEHICLE MONITORING SYSTEM].)
• Turn the ignition switch to the ON position.
• Perform the “DTC INSPECTION” to confirm the rear vehicle monitoring system DTC using the M-MDS. (See
DTC INSPECTION [REAR VEHICLE MONITORING SYSTEM].)
• Is the same DTC present?
|
Yes
|
Replace the PCM, then go to the next step.
|
|
No
|
Go to Step 4.
|
||
|
3
|
VERIFY TROUBLESHOOTING COMPLETED
• Clear the DTC from the rear vehicle monitoring control module using the M-MDS. (See
CLEARING DTC [REAR VEHICLE MONITORING SYSTEM].)
• Turn the ignition switch to the ON position.
• Perform the “DTC INSPECTION” to confirm the rear vehicle monitoring system DTC using the M-MDS. (See
DTC INSPECTION [REAR VEHICLE MONITORING SYSTEM].)
• Is the same DTC present?
|
Yes
|
Replace the rear vehicle monitoring control module (RH), 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.
|
||