Diagnostic Procedure

STEP 1. Check the following connector:
- C-37 TCM connector
- B-126 Primary pulley speed sensor connector
- B-124 Secondary pulley speed sensor connector
  Check for the connection with terminals.
  
  Q: Is the check result normal?
  1. YES: Go to Step 2.
  2. NO: Repair the defective connector.
STEP 2. Use an oscilloscope to measure the wave patterns of the primary pulley speed sensor and secondary pulley speed sensor.
Refer to OSCILLOSCOPE INSPECTION PROCEDURES .

Q: Is the check result normal?
1. YES: Go to Step 3.
2. NO: Replace the primary pulley speed sensor or secondary pulley speed sensor.
STEP 3. Symptom recheck after erasing diagnostic trouble code
Q: Is the check result normal?
1. YES: Intermittent malfunction
2. NO: Replace TCM.