Pinpoint Test P : B1B71:11, B1B71:13: Notes
WARNING: This page is about a different car, the 2015 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Automatic Climate Control System for schematic and connector information.
Normal Operation and Fault Conditions
The evaporator temperature sensor, REFER to: Climate Control System - Vehicles With: Electronic Automatic Temperature Control (EATC) - System Operation and Component Description .
Diagnostic Trouble Code (DTC) Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1B71:11 | Evaporator Temperature Sensor: Circuit Short to Ground | The IPC module senses lower than expected voltage on the sensor feedback circuit, indicating a short to ground. |
| B1B71:13 | Evaporator Temperature Sensor: Circuit Open | The IPC module senses greater than expected voltage on the sensor feedback circuit, indicating an open circuit or sensor. |
Possible Sources
- Wiring, terminals or connectors
- Evaporator temperature sensor
- IPC