Auxiliary Blend Door Motor Circuits Shorted
Table of contents
B2916 MERCURY Possible Causes
- Faulty Auxiliary Temperature Blend Door Actuator
- Auxiliary Temperature Blend Door Actuator harness is open or shorted
- Auxiliary Temperature Blend Door Actuator circuit poor electrical connection
- Faulty Smart Junction Box (SJB)
How do I fix code B2916 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B2916 MERCURY code
The cost of diagnosing the B2916 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2916 MERCURY Description
Under normal operation, to rotate the auxiliary temperature blend door actuator clockwise, the Smart Junction Box (SJB) supplies voltage to the auxiliary temperature blend door actuator motors through the circuit and supplies ground through the circuit. To rotate the auxiliary temperature blend door actuator counterclockwise, the SJB reverses the voltage and ground circuits.
The auxiliary temperature blend door actuator feedback resistor is supplied a ground from the SJB through the circuit and a 5-volt reference voltage on a circuit. The SJB reads the voltage on the auxiliary temperature blend door actuator feedback circuit to determine the auxiliary temperature blend door actuator position by the position of the actuator feedback resistor wiper arm.