Operation CHARM: Car repair manuals for everyone.

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)