B127A-COMPASS PERFORMANCE





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    Compass performance.


Possible Causes
 
(F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN
 
(Z916) GROUND CIRCUIT OPEN
 
COMPASS MODULE
 
CLUSTER
 




Diagnostic Test

1.CHECK FOR AN ACTIVE DTC

NOTE: Remove any electronic devices (laptop computers, cell phones) from the instrument panel.

NOTE: Before proceeding, check the compass variance and calibration in accordance with the service information.







Does the scan tool display this DTC as active?

Yes
  • Go To 2


No
  • The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
  • Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.(F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN





Is the voltage above 10 volts?

Yes
  • Go To 3


No

3.(Z916) GROUND CIRCUIT OPEN





Is the resistance above 10K ohms?

Yes


No