RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
COMPASS TEST FAILURE
WHEN MONITORED
With the ignition on.
SET CONDITION
The Electronic Overhead Module (EOM) display reads "FAILED SELF TEST."
POSSIBLE CAUSES
-
Electronic overhead module
1. ELECTRONIC OVERHEAD MODULE
Perform the EOM Self Test. See: Accessories and Optional Equipment/Driver/Vehicle Information Display/Testing and
Inspection/Self-Diagnostic Test
Turn the ignition off.
Depress and hold the RESET and C/T buttons while turning the ignition on.
NOTE: This test may also be performed using the DRBIII(R).
Q: Does the EOM or DRBIII(R) display "FAILED SELF TEST"?
YES: Replace the EOM. Perform BODY VERIFICATION TEST - VER 1. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Test Complete.
Distance to Empty Inaccurate or Wrong
DISTANCE TO EMPTY INACCURATE OR WRONG
POSSIBLE CAUSES
-
Electronic overhead module
1. ELECTRONIC OVERHEAD MODULE
NOTE:
-
Diagnose and repair any FCM, PCM, or Communication DTCs before proceeding with this test.
-
Ensure that the EOM has been configured for the correct fuel tank size. Use the DRBIII(R) to verify or modify the fuel tank size
configuration.
Perform the EOM Self Test. See: Accessories and Optional Equipment/Driver/Vehicle Information Display/Testing and
Inspection/Self-Diagnostic Test
The self test can be performed with the DRBIII(R) or manually using the following procedure:
Turn the ignition off.
Press and hold the RESET and C/T buttons.
Turn the ignition on.
Continue to hold both buttons until the software version is displayed, then release the buttons.
Observe the EOM display when the self test is complete.
Q: Did the EOM display "FAILED SELF TEST"?
YES: Replace and configure the Electronic Overhead Module. Perform BODY VERIFICATION TEST - VER 1. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification
Tests/Body Verification Test
NO: Test Complete.
Elapsed Ignition On Time Inaccurate or Wrong
ELAPSED IGNITION ON TIME INACCURATE OR WRONG
POSSIBLE CAUSES
-
Electronic overhead module
1. ELECTRONIC OVERHEAD MODULE
NOTE:
-
Diagnose and repair any FCM, PCM, or Communication DTCs before proceeding with this test.
-
Ensure that the EOM has been configured for the correct fuel tank size. Use the DRBIII(R) to verify or modify the fuel tank size
