Service manual

11.3 Air Pressure Sensor Failure
Failure codes: P0102, P0103, P0112, P0113
No. Operating steps Result Follow up steps
1 Put the ignition switch to “ON”. Next step
Yes 4 2 Pull out joint of intake air pressure sensor on
harness; use a multimeter to check if a 5V
voltage is present between 2# and 3# pins of the
joint.
No Next step
Yes Repair or replace
harness
3 Between ECU and harness, use a multimeter to
respectively check if it is break or short circuit
between 42# and 33# pins of ECU and 1#, 2#,
3#, 4# pins of sensor joint.
No Next step
4 Replace the intake air temperature pressure
sensor.
Next step
Note: In case the sensor shorts to 5V or 12V power supply or ground, the engine may not start up or
stop running.