P1296

Tests 1 - 3:

Tests 4 - 6:

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
- MAP sensor wiring harness intermittent problem
- MAP sensor wiring harness observable problem
- MAP sensor 5 volt supply circuit voltage ≤ 4.5 volts
- MAP sensor 5 volt supply circuit open
- PCM (5 volt supply)