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)

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Inspection and Verification

1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage. Refer to the following:

Electrical
- I/P fuse panel fuse 17 (20 A)
- Damaged wiring harness
- Loose or corroded connectors

3. If the concern remains after the inspection, connect NGS Tester to the Data Link Connector (DLC), located beneath the instrument panel, and select the vehicle to be tested from NGS Tester menu. If NGS Tester does not communicate with the vehicle:
1. Check that the program card is properly installed.
2. Check the connections to the vehicle.
3. Check the ignition switch position is in RUN.

If NGS Tester still does not communicate with the vehicle, Refer to Pinpoint Test 9, NO MODULE / NETWORK COMMUNICATION - NO POWER TO THE NGS TESTER THROUGH THE DLC.