MDX V6-3.7L (2007)
Information Bus: Diagnostic Trouble Code Tests and Associated Procedures
B-CAN System Diagnosis Test Mode A
Troubleshooting - B-CAN System Diagnosis Test Mode A
Check the PCM for DTCs and troubleshooting PCM or F-CAN loss of communication errors first, then perform this diagnosis if the symptom is related
to the B-CAN system.
Perform this diagnosis first if the symptom is related to the B-CAN system.
NOTE: Always turn the ignition switch within 3 seconds when prompted in the DTC troubleshooting procedures in this section.
1. Check the symptom against this list of B-CAN related systems:
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Gauge control module
-
Exterior lights
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Turn signals
-
Entry light control
-
Interior lights
-
Safety indicators
-
Rear window defogger
-
HandsFreeLink
-
Horns (security and panic)
-
Chimes (key-in, seat belt, lights-on and parking brake)
-
Power windows
-
Power window/moonroof timer
-
Wiper/washer
-
Security
-
Keyless entry
-
Power door locks
-
Climate control
-
Key interlock
-
Dash light brightness
-
Driving position memory
-
Power tailgate
-
XM radio
-
Immobilizer
Is the symptom related to the B-CAN system?
YES - Go to step 2.
NO - Go to the system troubleshooting for the system with the symptom.
2. Connect the HDS, then turn the ignition switch ON (II).
3. From the BODY ELECTRICAL system select menu, select UNIT INFORMATION, and then select CONNECTED UNIT listed to see if it is
communicating with the HDS.
-
MICU
-
Gauge control module
-
Combination switch control unit
-
Relay control module
-
Power seat control unit
-
HandsFreeLink control unit
