No 5 Volts to MAP Sensor

Code Number
Scan tool 135
General scan tool P1296
MIL 14

Description
No 5 Volts to MAP Sensor

Probable Cause
- Open 5-volts supply circuit
- Signal circuit grounded
- Sensor failed
- PCM failed

Background
- The voltage of 5 volts is supplied to the MAP sensor. If this voltage is extremely low the MAP sensor output deviates from standard value.

Range of Check
- Before starting engine and immediately after stopping engine

Set Condition
- The output voltage of MAP sensor is lower than the specified value.





Diagnosis