DTC B2969 (A and MODE)

DTC B2969 or DTC indicator A and MODE  : An Open in the Mode Control Motor A Circuit (Front)

DTCs (AC)

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   - 2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.

   - 3. Do the Self-Diagnostic Function with the HDS or the climate control unit.

   - 4. Wait for at least 8 seconds.

   - 5. Check for DTCs.

   DTC Description	DTC
   B2969 An open in the mode control motor A circuit (front)

   Is DTC B2969 or A and MODE indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure. Check for loose wires or poor connections on the mode control motor A circuit.

2. Determine possible failure area (MOD-P FR line, others)

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

   - 2. Disconnect the following connector.

   Mode control motor A 7P connector

   - 3. Turn the vehicle to the ON mode.

   - 4. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Mode control motor A 7P connector: disconnected
   Test point 1	Mode control motor A 7P connector No. 2
   Test point 2	Body ground

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

   Is there about 5 V?

   YES 

   The MOD-P FR wire is OK. Go to step 3.

   NO 

   Go to step 4.

3. Open wire check (SENSOR(COM) line)

   - 1. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Mode control motor A 7P connector: disconnected
   Test point 1	Mode control motor A 7P connector No. 2
   Test point 2	Mode control motor A 7P connector No. 3

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

   Is there about 5 V?

   YES 

   Replace the mode control motor A .

   NO 

   Repair an open in the wire between the climate control unit and the mode control motor A.

4. Open wire check (MOD-P FR line)

   - 1. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Mode control motor A 7P connector: disconnected
   Test point 1	Climate control unit connector C (12P) No. 3 - Refer to: Climate Control Unit Connector For Inputs and Outputs (2019 2020 2021), or Climate Control Unit Connector For Inputs and Outputs (2016 2017 2018)
   Test point 2	Body ground

   Is there about 5 V?

   YES 

   Repair an open in the wire between the climate control unit and the mode control motor A.

   NO 

   Replace the climate control unit .