1. DTC B1709[49] description
The BCM controls the interior light. If any door is opened or unlocked with the keyless entry function while the dome light switch and map light switch are in the DOOR position, the BCM illuminates the dome light and map light. If the BCM detects an internal malfunction in the interior light output circuit, the DTC is set.
2. Condition for setting DTC B1709[49]
Condition for running the DTC
- The BCM commands the interior light ON.
Condition for setting the DTC
Any of the following conditions are met:
- The BCM detects an internal malfunction in the interior light High side output circuit.
- The BCM detects an internal malfunction in the interior light Low side output circuit.
3. Action taken when DTC B1709[49] sets
- When there is a malfunction in the interior light High side output circuit, the output of the interior light High side is stopped.
- When there is a malfunction in the interior light Low side output circuit, the output of the interior light Low side is stopped.
- Current and past failures are set.