Chrysler Town and Country 2003 Owner's Manual page 209

NBS OUTPUT 1 OPEN —
TEST
3 Turn the ignition off.
Install a substitute relay in place of the NBS Relay.
With the DRB, erase DTCs.
Turn the ignition on.
Turn the Radio on.
With the DRB, read DTCs.
Did these DTCs reset?
Yes → Go To 4
→ Replace the original NBS Relay.
No
4 Turn the ignition off.
Remove the Front Control Module from the IPM.
Remove the NBS Relay from the IPM.
Measure the resistance of the NBS Relay Control circuit between the FCM connector
cavity 11 and the NBS Relay connector cavity 85.
Is the resistance below 5.0 ohms?
Yes → Replace the Front Control Module in accordance with the Service
→ Replace the power distribution center portion of the IPM in
No
Continued
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1.
185
AUDIO
APPLICABILITY
All
All