LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Eagle >> 1993 >> Vision TSi >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Vehicle Communications Tests >> Test 14A - Not Receiving Bus Messages Correctly
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test 14A - Not Receiving Bus Messages Correctly

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Using DRB-II, indicate whether vehicle is equipped with specific module. Turn ignition off. Disconnect Transmission Control Module (TCM). TCM is located on left side of engine compartment, near cowl. Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace TCM. Perform VERIFICATION PROCEDURE VER-1.
  2. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off and disconnect Powertrain Control Module (PCM). PCM is located under air box in engine compartment. Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace PCM. Perform VERIFICATION PROCEDURE VER-1.
  3. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off and disconnect Controller Anti-Lock Brake (CAB), if equipped. CAB is located on left fenderwell of engine compartment, behind anti-lock brake pump motor. Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace CAB. Perform VERIFICATION PROCEDURE VER-1.
  4. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off and disconnect Overhead Traveler Information System (OTIS) module, if equipped. OTIS module is located at center of roof, above visors. Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace OTIS module. Perform VERIFICATION PROCEDURE VER-1.
  5. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off and disconnect Auto Temperature Control (ATC) head, if equipped. Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace ATC.
  6. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off and disconnect Mechanical Instrument Cluster (MIC). Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace MIC. Perform VERIFICATION PROCEDURE VER-1.
  7. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off and disconnect Body Control Module (BCM), if equipped. BCM is located behind right kick panel. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, turn ignition off. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace BCM.
    CAUTION: Ensure ignition is off for 5 minutes before proceeding.
  8. Disconnect Passenger Air Bag System Diagnostic Module (PASDM). PASDM is located under center of instrument panel. Turn ignition on. If DRB-II does not display NOT RECEIVING BUS MESSAGES CORRECTLY, replace PASDM. Perform VERIFICATION PROCEDURE VER-1.
  9. If DRB-II displays NOT RECEIVING BUS MESSAGES CORRECTLY, replace DRB-II cable or cartridge as necessary. Perform VERIFICATION PROCEDURE VER-1.
scientia non olet · About LEMON Manuals