Operation CHARM: Car repair manuals for everyone.

P1296

Tests 1 - 3:




Tests 4 - 8:




SYMPTOM
P1296-NO 5 VOLTS TO MAP SENSOR

WHEN MONITORED
During power-down and battery voltage greater than 10.4 volts.

SET CONDITION
The MAP sensor signal voltage goes below 2.35 volts with the key OFF for 5 seconds.

POSSIBLE CAUSES
- Intermittent condition
- 5 Volt supply circuit open
- MAP sensor
- MAP sensor 5 Volt supply circuit short to ground
- PCM
- PCM sense