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
- 5 volt supply circuit
- Map sensor
- Map sensor wiring harness intermittent problem
- Map sensor 5-volt supply circuit shorted to ground
- PCM (5-Volt supply)