Pinpoint Test O : B1A63:11, B1A63:15, B1A64:11, B1A64:15: Notes
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B1A63:11, B1A63:15, B1A64:11, B1A64:15
Refer to Automatic Climate Control System for schematic and connector information.
Normal Operation and Fault Conditions
Sunload Sensor, REFER to: Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1A63:11 | Right Solar Sensor: Circuit Short To Ground | This DTC sets when the control module senses lower than expected voltage on the RH sensor feedback circuit, indicating a short to ground. |
| B1A63:15 | Right Solar Sensor: Circuit Short To Battery or Open | This DTC sets when the control module senses higher than expected voltage on the RH sensor feedback circuit, indicating a short to voltage or an open circuit or sensor. |
| B1A64:11 | Left Solar Sensor: Circuit Short To Ground | This DTC sets when the control module senses lower than expected voltage on the LH sensor feedback circuit, indicating a short to ground. |
| B1A64:15 | Left Solar Sensor: Circuit Short To Battery or Open | This DTC sets when the control module senses higher than expected voltage on the LH sensor feedback circuit, indicating a short to voltage or an open circuit or sensor. |
Possible Sources
- Wiring, terminals or connectors
- Sunload sensor
- FCIM
Visual Inspection and Diagnostic Pre-checks
- Inspect loose or corroded FCIM and sunload sensor connections.