Maximum speed cannot be changed by operating RES/+ or SET/– switch
Precautions: Precautions for Diagnosing Trouble · General safety (00)
NOTE:
•Perform cruise control / speed limiter system check referring to Cruise Control / Speed Limiter System Check:Cruise Control before performing this Cruise Control / Speed Limiter System Symptom Diagnosis.
•Check each part in the order from the top of the following list.
•Check each part in the order from the top of the following list.
| Condition | Possible Cause | Action |
|---|---|---|
|
Maximum speed cannot be changed by operating RES/+ or SET/– switch
|
Faulty RES/+ or SET/– switch
|
Check RES/+ or SET/– switch.
|
|
Faulty wiring or grounding
|
Repair wiring.
|
|
|
Faulty ECM
|
Replace ECM after checking that none of above parts is faulty.
|