DTC B1706[15] Front Wiper Output Circuit Short to Battery or Open (BCM)

1. DTC B1706[15] description

The front wiper control circuit consists of the windshield wiper switch, rain and light sensor (if equipped), front wiper (ON/OFF) relay, front wiper H/L (high/low) relay, and wiper motor. When the windshield wiper switch signal or windshield washer switch signal is input, the BCM turns ON the front wiper relay. If the BCM detects an open circuit or a short to the power supply in the front wiper relay drive circuit, the DTC is set.

2. Condition for setting DTC B1706[15]

Condition for running the DTC

  • The ignition switch is ON.
  • The BCM commands the front wiper relay ON.

Condition for setting the DTC

  • The BCM detects an open circuit or a short to the power supply in the front wiper relay drive circuit for 2 seconds or more.

3. Action taken when DTC B1706[15] sets

  • The control of the front wiper by the BCM is stopped.
  • Current and past failures are set.