Diagnostic Trouble Code (DTC) Information

ECM-1400 MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
Diagnostic Trouble Code (DTC) ECM-1400 is stored if the control module registers that the sensor circuit has a short-circuit to ground/voltage or if there is an open-circuit in the circuit.

Condition
A value from Mass Air Flow (MAF) sensor is used.

Possible source

Signal too high
- short-circuit to supply voltage in the signal cable
- open-circuit in signal cable
- defective pressure sensor.

Signal too low
- short-circuit to ground in the signal cable
- defective pressure sensor.

Condition
None.