Pinpoint Test G239843P11

PINPOINT TEST G239843p11 : CHECK THE SUPPLIES AND GROUNDS TO THE NAVIGATION SYSTEM MODULE

G239843t63 : CHECK THE PERMANENT SUPPLY TO THE NSM
1. Disconnect the NSM electrical connector, TL02.
2. Measure the voltage between TL02, pin 01 (R) and GROUND.

- Is the voltage less than 10 volts?

-> YES
REPAIR the circuit between the NSM and battery. This circuit includes the primary junction box (fuse 51). TEST the system for normal operation.

-> NO
GO to Pinpoint Test G239843t64.

G239843t64 : CHECK THE ACCESSORY SUPPLY TO THE NSM
1. Turn the ignition switch to the ACC position.
2. Measure the voltage between TL02, pin 1 (R) and GROUND.

- Is the voltage less than 10 volts?

-> YES
REPAIR the circuit between the phone module and battery. This circuit includes the primary junction box (fuse 34) and the ignition switch. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G239843t65.

G239843t65 : CHECK THE GROUND TO THE NSM
1. Measure the resistance between TL02, pin 02 (BK) and GROUND.

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. TEST the system for normal operation.

-> NO
CHECK for DTCs indicating a wake-up circuit or optical ring fault. REFER to the DTC index.