MPI <4G1> -
Troubleshooting
13A-32
Code No. P0403 EGR control solenoid valve system
Probable cause
Range of Check
D
Ignition switch: ON
D
Battery voltage is 10 V or more.
Set Conditions
D
The solenoid coil surge voltage (battery v 2 V) is not detected when
the EGR control solenoid valve is turned from on to off.
D
Malfunction of the EGR control solenoid valve
D
Open or short circuit in the EGR control solenoid
valve circuit or loose connector contact
D
Malfunction of engine-ECU
NG
Replace the engine-ECU.
OK
Check the trouble symptoms.
OK
NG
Repair
Check the harness wires between
the EGR control solenoid valve and
the engine control relay, and
between the EGR control solenoid
valve and the engine-ECU.
OK
Replace the engine-ECU.
Repair
OK
NG
Check the harness wire between the
EGR control solenoid valve and the
engine-ECU.
NG
Check the following connector:
B-37
NG
Repair
OK
Measure at engine-ECU connector
B-37.
D
Measure the voltage at the
engine-ECU terminal.
D
Ignition switch: ON
D
The voltage between terminal 6
and earth
OK:
System voltage
NG
Check the harness wire between the
EGR control solenoid valve and the
engine control relay, and repair if
necessary.
NG
Check the following connector:
B-13
NG
Repair
OK
Measure at the EGR control solenoid
valve connector A-88.
D
Disconnect the connector and
measure at the harness side.
D
Ignition switch: ON
D
The voltage between terminal 1
and earth
OK:
System voltage
OK
Check the following connector:
A-88
NG
Repair
NG
Measure at the EGR control solenoid
valve connector A-88.
D
Disconnect the connector, and
measure at the solenoid valve
side.
D
The resistance between terminals
1 and 2
OK:
28 - 36
W
(at 20
_
C)
NG
Replace
MUT-
II
Actuator Test
10 EGR control solenoid valve
OK:
Operating sound can be
heard and the valve vibrates.
OK
Intermittent malfunction
(Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions.)
OK
Check the following connectors:
B-13, B-37
NG
Repair
Содержание Colt 2000
Страница 7: ...11A 1 ENGINE CONTENTS ENGINE 4G1 11A ENGINE 4G9 11B ...
Страница 30: ...NOTES ...
Страница 221: ...23 1 AUTOMATIC TRANSMISSION CONTENTS GENERAL 2 Outline of Changes 2 TROUBLESHOOTING 2 ...