DTC B1632

DTC B1632  : MTR CONT signal error

DTC (Keyless Access Control Unit)

NOTE:  If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .

1. Electric steering lock MTR CONT line input check

   -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.

   NO 

   Intermittent failure, the system is OK at this time.

2. Shorted wire check (MTR CONT line)

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

   -2. Disconnect the following connectors.

   Keyless access control unit connector B (36P)

   Electric steering lock 12P connector

   -3. Turn the vehicle to the ON mode.

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

   Test condition	Vehicle ON mode Keyless access control unit connector B (36P): disconnected Electric steering lock 12P connector: disconnected
   Test point 1	Electric steering lock 12P connector No. 1
   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.

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

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

   -2. Reconnect the following connectors.

   Keyless access control unit connector B (36P)

   Electric steering lock 12P connector

   -3. Turn the vehicle to the ON mode.

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

   Test condition	Vehicle ON mode
   Test point 1	Keyless access control unit connector B (36P) No. 31
   Test point 2	Body ground

   Is there battery voltage?

   YES 

   Faulty electric steering lock, replace the steering lock .

   NO 

   Replace the keyless access control unit .