DTC 4-1
DTC 4-1 Red LED ErrorDESCRIPTION
DTC Detection Condition:
This DTC is output when one of the following occurs: 1) the Mayday ECU is malfunctioning; 2) the red LED is malfunctioning; or 3) the wire harness between the Mayday ECU and the map light (Mayday switch ) is open or short.
Wiring Diagram:
Step 1-3:
Step 3 (Continued):
INSPECTION PROCEDURE