Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

How To Proceed With Troubleshooting








CRUISE CONTROL SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

Techstream can be used at steps 4, 5, 6, and 10.
1. VEHICLE BROUGHT TO WORK SHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
NEXT -- Continue to next step.
3. PROBLEM SYMPTOM CONFIRMATION
NEXT -- Continue to next step.
4. DTC CHECK AND CLEAR
NEXT -- Continue to next step.
5. DTC CHECK
-- TROUBLE CODE (GO TO STEP 6)
-- NORMAL SYSTEM CODE (GO TO STEP 7)
6. DTC CHART
NEXT -- GO TO STEP 10
7. PROBLEM SYMPTOM SIMULATION
-- SYMPTOM DOES NOT OCCUR (GO TO STEP 8)
-- SYMPTOM OCCURS (GO TO STEP 9)
8. SYMPTOM SIMULATION
NEXT -- Continue to next step.
9. PROBLEM SYMPTOMS TABLE
NEXT -- Continue to next step.
10. CIRCUIT INSPECTION
NEXT -- Continue to next step.
11. TERMINAL OF ECM
NEXT -- Continue to next step.
12. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.
13. REPAIR OR REPLACE
NEXT -- Continue to next step.
14. CONFIRMATION TEST
NEXT -- END