Operation CHARM: Car repair manuals for everyone.

Front Riser Sensor Out of Range High

Tests 1 - 2:




Tests 3 - 7:




Test 8:





SYMPTOM
FRONT RISER SENSOR OUT OF RANGE HIGH

WHEN MONITORED
Continuously when the PCI bus is active.

SET CONDITION
This condition is immediately set when the seat motor potentiometer feeds a value higher than the Memory Seat Mirror Module has stored in EEPROM. Code will remain for 50 ignition cycles.

POSSIBLE CAUSES
- Memory seat mirror module sensor ground open
- Seat position sensor ground wire open
- -5 VOLT supply shorted high
- Check voltage on front riser position signal circuit
- Front riser sensor high
- Front riser sensor short to motor
- Memory seat mirror module front riser high
- Stored diagnostic trouble code