Mitsubishi Galant 9G. Manual - part 907
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-1070
DIAGNOSIS
STEP 1. Check connector B-110 at transmission range
switch for damage.
Q: Is the connector in good condition?
YES : Go to Step 2.
NO : Repair or replace it. Refer to GROUP 00E, Harness
. Then confirm that the
malfunction symptom is eliminated.
STEP 2. Check the transmission range switch.
Refer to GROUP 23A, On-vehicle Service
− Essential Service −
Transmission Range Switch Continuity Check
Q: Are there any abnormalities?
YES : Repair or replace it. Then confirm that the malfunction
symptom is eliminated.
NO : Go to Step 3.
STEP 3. Measure the power supply voltage at transmission
range switch connector B-110.
(1) Disconnect the connector B-110 and measure at the
harness side.
(2) Turn the ignition switch to the "START" position.
(3) Measure the voltage between terminal No. 10 and ground.
• Voltage should be battery positive voltage.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 4.
NO : Check connector A-13 and C-29 at intermediate
connector for damage, and repair or replace as
required. Refer to GROUP 00E, Harness Connector
Inspection
. If intermediate connector are in
good condition, repair harness wire between ignition
switch connector C-308 (terminal No. 5) and
transmission range switch connector B-110 (terminal
No. 10) because of open circuit. Then confirm that the
malfunction symptom is eliminated.
AK303935
8
9
3
4
5
1
2
6
7
10
AB
CONNECTOR: B-110
B-110 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK303935
8
9
3
4
5
1
2
6
7
10
AB
CONNECTOR: B-110
B-110 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
8
9
3
4
5
1
2
6
7
10
AK203279
B-110 HARNESS
CONNECTOR:
COMPONENT SIDE
AC