DTC B1632: MTR CONT Signal Error

DTC (Keyless Access Control Unit)

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   - 2. Start the engine.

   - 3. Stop the engine.

   - 4. Check for DTCs with the HDS.

   DTC Description	DTC
   B1632 MTR CONT Signal Error

   Is DTC B1632 indicated?

   YES 

   Go to step 2 below.

   NO 

   Intermittent failure, the system is OK at this time.

2. Shorted wire check (MTR CONT line)

   - 1. Press the engine start/stop button to select the OFF mode.

   - 2. Disconnect the following connectors.

   Keyless access control unit connector C (24P)

   Electric steering lock 12P connector

   - 3. Press the engine start/stop button to select the ON mode.

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

   Test condition	ON mode
   	Keyless access control unit connector C (24P): disconnected
   	Electric steering lock 12P connector: disconnected
   Test circuit	MTR CONT
   Test point 1	Electric steering lock 12P connector No. 1 (PNK)
   Test point 2	Body ground

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

   Is there battery voltage?

   YES 

   Repair a short to power in the wire.

   NO 

   Go to step 3 below.

3. Electric steering lock MTR CONT line internal short to power check

   - 1. Press the engine start/stop button to select the OFF mode.

   - 2. Reconnect the following connector.

   Electric steering lock 12P connector

   - 3. Press the engine start/stop button to select the ON mode.

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

   Test condition	ON mode
   	Keyless access control unit connector C (24P): disconnected
   Test circuit	MTR CONT
   Test point 1	Keyless access control unit connector C (24P) No. 9 (PNK)
   Test point 2	Body ground

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

   Is there battery voltage?

   YES 

   Replace the electric steering lock .

   NO 

   Replace the keyless access control unit .