B1927
B1927 02
Seat Temperature Sensor Left Circuit, Short to Ground
Fault symptom
- Heating in left-hand seat not working.
On-board diagnosis
Type of diagnosis:
- Continuous
Enable criteria:
- Ignition ON.
Fault criteria:
- Voltage on control module sensor input is below 0.2 V.
System reaction to a fault:
- Heating in the left-hand seat is switched off.
Checking the wiring harness
- Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
- Electrical fault in connecting leads or component.
Functions in the diagnostic tool related to the fault:
Test value:
- Seat Temperature Left
- Seat Temperature Sensor Left
(See also description of readings/activations in diagnostic tool)