Engine - Diagnostics

DTC P1602 CONTROL MODULE PROGRAMMING ERROR

DTC DETECTING CONDITION:
- Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:
- Engine keeps running at higher speed than specified idle speed.
- Engine keeps running at a lower speed than the specified idle speed.
- Engine stalls.

CAUTION: After repairing or replacing the defective part, perform the Clear Memory Mode Clear Memory Mode and Inspection Mode.

Wiring Diagram (Part 1):

Wiring Diagram (Part 2):

Step 1-4:

Step 5-7:

Step 8-11:

Step 12-18:

Step 19-24:

Step 25-30:

Step 31-36:

Step 37-38: