JAC J2, Maintenance Manual

Page: 218 / 243

Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
217
S/N Step Check result Subsequent step
Yes To Step 6
4
Check if the voltage between Pin 2# of phase sensor and the negative
pole of power source is about 9.9V.
No Next step
Yes
Repair or replace
the harness
5
Check if the circuit connecting to Pin 2# of phase sensor connector to
Pin 42# of ECU is open or short to power source or ground.
No Next step
Yes Diagnosis help
6 Check if the signal panel of camshaft is good.
No
Replace the
signal panel
Fault code: P0341 “the contact of phase sensor is not good”
S/N Step Check result Subsequent step
1
Connect the diagnosis device and adapter, and turn the ignition switch
to ON position.
Next step
Yes To Step 4
2
Unplug the phase sensor connector on the harness, and check if the
voltage between Pins 3# and 1# of this connector is about 12V by the
multimeter.
No Next step
Yes
Repair or replace
the harness
3
Check if the circuit connecting Pin 3# of phase sensor to Pin 87# of
main relay is open or short to ground.
Check if Pin 1# of phase sensor is grounded improperly.
No Next step
Yes To Step 6
4
Check if the voltage between Pin 2# of phase sensor and the negative
pole of power source is about 9.9V.
No Next step
Yes
Repair or replace
the harness
5
Check if the circuit connecting to Pin 2# of phase sensor connector to
Pin 42# of ECU is open or short to power source or ground.
No Next step
Yes Diagnosis help
6 Check if the signal panel of camshaft is good.
No
Replace the
signal panel
Fault code: P0342 “the phase sensor is short to ground”
S/N Step Check result Subsequent step
1
Connect the diagnosis device and adapter, and turn the ignition switch
to ON position.
Next step
Yes To Step 4
2
Unplug the phase sensor connector on the harness, and check if the
voltage between Pins 3# and 1# of this connector is about 12V by the
multimeter.
No Next step
Yes
Repair or replace
the harness
3
Check if the circuit connecting Pin 3# of phase sensor to Pin 87# of
main relay is open or short to ground.
Check if Pin 1# of phase sensor is grounded improperly.
No Next step