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. Problem verification

   -1. Clear the DTCs with the HDS.

   Clear DTCs

   -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/TPMS 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/TPMS control unit connector B (36P): disconnected Electric steering lock 12P connector: disconnected
   Test point 1	Electric steering lock 12P connector (female terminals) 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 connector.

   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/TPMS control unit connector B (36P): disconnected
   Test point 1	Keyless access/TPMS control unit connector B (36P) No. 31
   Test point 2	Body ground

   Is there battery voltage?

   YES 

   Replace the steering lock .

   NO 

   Replace the keyless access/TPMS control unit .