Power Tailgate Control Unit Input Test

NOTE: 

• If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC ChecksBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1 and Test Mode 2 (without the HDS)Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode B - Control Unit Not CommunicatingBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode C - No DTCs and Output Won't Shut OFFBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode D - No DTCs and Output Won't Turn ON .
• Before testing, check for DTCs. If any DTCs are indicated, troubleshoot those DTCs first.
• Before testing, make sure the No. A1-2 (40 A) and No. A29 (10 A) fuses in the under-hood fuse/relay box are OK.
• Before testing, make sure the No. B5 (10 A) and No. B26 (20 A) fuses in the under-dash fuse/relay box are OK.

1. Turn the vehicle to the OFF (LOCK) mode

2. Disconnect the following connectors.

NOTE:  All connector views are shown from the wire side of the female terminals.

Courtesy of HONDA, U.S.A., INC.

3. Inspect the connectors and socket terminals to be sure they are all making good contact:

• If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
• If the terminals are OK, go to step 4.

4. Reconnect the connectors, and do the following input tests:

• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, replace the power tailgate control unit .