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
- 5 volt supply circuit
- MAP sensor
- MAP sensor wiring harness intermittent problem
- MAP sensor wiring harness observable problem
- MAP sensor signal circuit shorted to sensor ground circuit
- MAP sensor signal circuit shorted to ground
- PCM