DTC B2603 Tilt and Telescopic Manual Switch Circuit Malfunction
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DESCRIPTION
Different voltage values are input to the multiplex tilt and telescopic ECU by operating the tilt and telescopic manual switch. The multiplex tilt and
telescopic ECU then judges which motor and in which direction that motor should be moved based on the voltage value.
DTC Code Detection Condition Trouble Area
B2603
When operating the tilt and telescopic manual switch, an
abnormal voltage value is input to the multiplex tilt and
telescopic ECU.
Tilt and telescopic manual switch
Tilt and telescopic manual switch circuit
Multiplex tilt and telescopic ECU
WIRING DIAGRAM