MDX V6-3.7L (2007)
20. Check for continuity between body ground and these connector terminals:
Is there continuity between the DLC terminal and each of the terminals in the chart?
YES - Replace the unit that does not communicate with the HDS.
NO - Repair open in the wire between the DLC (K-line) and the appropriate connector.
21. Do the gauge self-diagnostic function to make sure the gauge is known-good. If the function test is OK, go to step 22.
22. Check for B-CAN system DTCs without the HDS.
Is DTC B1168, B1169, and/or B1178 indicated?
YES - Go to step 35.
NO - Go to step 23.
23. Turn the ignition switch OFF.
24. Disconnect the HDS from the DLC.
25. Measure voltage between DLC terminal No. 16 and body ground.
Is there battery voltage?
YES - Go to step 26.
NO - Repair open in the wire between DLC terminal No. 16 and the No. 7 BACK UP (10 A) fuse in the under-dash fuse/relay box.
