DTC : B1632

DTC B1632 : MTR CONT signal error

DTC Description	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 - Go to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks .

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.

Intermittent failure, the system is OK at this time.

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 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.

Go to step 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 - Refer to: Keyless Access/TPMS Control Unit Connector for Inputs and Outputs (2016 2017 2018) or Keyless Access/TPMS Control Unit Connector for Inputs and Outputs (2019 2020 2021) .
Test point 2	Body ground

Is there battery voltage?

YES