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Checking The Wiring

Fig 1: Identifying Ignition In Off Position

GLL101046

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Fig 2: Identifying Connectors

GLL101072

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Ignition off.
Unplug the multimedia module (MMM) connector.
Check the antenna cable between the multimedia module (MMM) and the GPS antenna for open circuit.

Take readings between:
- Multimedia module (MMM) terminal #D1 and GPS antenna terminal #B1.
Check the terminals. Check for contact resistance. Check for loose connections. Check for oxidation.

Remedy as necessary.

Other information
- See: CHECKING WIRING AND TERMINALS