DTC B1835: Steering Column Manual Switch Malfunction

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).

Clear the DTCs with the HDS.
Turn the ignition switch to LOCK (0), and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode.
Operate the power tilt/telescopic in each direction with the power tilt/telescopic steering switch.
Check for DTCs with the HDS.
Is DTC B1835 indicated?

YES -Go to step 5.

NO -Intermittent failure, the power tilt/telescopic steering system is OK at this time. Check for loose or poor connections.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
Do the power tilt/telescopic steering switch test (see POWER TILT/TELESCOPIC STEERING SWITCH TEST/REPLACEMENT ).
Is the switch OK?

YES -Go to step 7.

NO -Replace the power tilt/telescopic steering switch (see POWER TILT/TELESCOPIC STEERING SWITCH TEST/REPLACEMENT ).
Disconnect power tilt/telescopic steering control unit connector A (16P).
Disconnect the power tilt/telescopic steering switch 13P connector.
Check for continuity between body ground and power tilt/telescopic steering switch 13P connector terminals No. 1, No. 3, No. 6, No. 7, and No. 10 individually.

Fig 1: Checking Continuity Between Body Ground And Power Tilt/Telescopic Steering Switch 13P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to ground in the wire(s).

NO -Go to step 10.
Check for continuity between power tilt/telescopic steering control unit connector A (16P) terminals and power tilt/telescopic steering switch 13P connector terminals as shown in illustration:
POWER POWER

TILT/TELESCOPIC TILT/TELESCOPIC

STEERING STEERING CONTROL UNIT

SWITCH 13P CONNECTOR A (16P)

CONNECTOR

No. 1 No. 7

No. 3 No. 10

No. 6 No. 15

No. 7 No. 6

No. 10 No. 14

Fig 2: Checking Continuity Between Power Tilt/Telescopic Steering Control Unit Connector A (16P) And Power Tilt/Telescopic Steering Switch 13P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Replace the power tilt/telescopic steering control unit (see POWER TILT/TELESCOPIC STEERING CONTROL UNIT INPUT TEST/REPLACEMENT ).

NO -Repair an open or high resistance in the wire(s).