B2603

DTC B2603 Tilt and Telescopic Manual Switch Circuit Malfunction

DESCRIPTION
Different voltage values are input to the multiplex tilt and telescopic ECU by operating the manual switch.

The multiplex tilt and telescopic ECU then judges which motor and in which direction that the motor should rotate based on the voltage value.

B2603:

WIRING DIAGRAM:

INSPECTION PROCEDURE

Step 1:

Steps 2-3(Part 1):

Steps 3(Part 2)-4(Part 1):

Step 4(Part 2):