DTC 2

DTC 2 (TWO) "CODE 2. BUTTON MODULE FAILURE"

CIRCUIT DESCRIPTION

DTC Detection Condition:

The telephone switch assy (mayday switch) is provided on the roof console box assy and the system is activated by operating a button.

Wiring Diagram:

Step 1 - 2:

INSPECTION PROCEDURE

HINT: If this DTC is not cleared even when the mayday ECU is replaced, replace the mayday assy (transceiver, portable phone-L battery (back-up battery), bus buffer ECU and mayday ECU).