| Mazda P1630 | Internal Vref |
|---|---|
|
DETECTION CONDITION
|
• PCM internal malfunction
|
|
POSSIBLE CAUSE
|
• PCM malfunction
|
Diagnostic procedure
| STEP | INSPECTION | ACTION | |
|---|---|---|---|
|
1
|
–
|
–
|
Replace the PCM, then go to the next step.
|
|
2
|
VERIFY AFTER REPAIR PROCEDURE
• Perform the after repair procedure.
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
|
No
|
DTC troubleshooting completed.
|
||