Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 147
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-287
STEP 14. Check for harness damage between ignition
switch connector C-87 terminal 2 and vehicle speed
sensor connector B-39 terminal 1.
NOTE: Check harness after checking intermediate connectors
B-36, C-28, C-78, C-104 and C-101 If intermediate connectors
are damaged, repair or replace them. Refer to GROUP 00E,
Harness Connector Inspection (
). Then go to Step 17.
Q: Is the harness wire in good condition?
YES : Go to Step 15.
NO : Repair it. Then go to Step 17.
STEP 15. Check for harness damage between vehicle
speed sensor connector B-39 terminal 3 and ECM
connector C-60 terminal 86.
NOTE: Check harness after checking intermediate connector
B-36 If intermediate connector is damaged, repair or replace
them. Refer to GROUP 00E, Harness Connector Inspection
(
). Then go to Step 17.
Q: Is the harness wire in good condition?
YES : Go to Step 16.
NO : Repair it. Then go to Step 17.
AK000219
CONNECTOR:C-87
AC
AK000547AC
CONNECTOR:B-39
AK000547AC
CONNECTOR:B-39
AK000280
CONNECTOR:C-60
BI
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-288
STEP 16. Check for harness damage between vehicle
speed sensor connector B-39 terminal 2 and ground.
NOTE: Check harness after checking intermediate connector
B-36 If intermediate connector is damaged, repair or replace
them. Refer to GROUP 00E, Harness Connector Inspection
(
). Then go to Step 17.
Q: Is the harness wire in good condition?
YES : Check for harness wire between vehicle speed
sensor connector B-39 terminal 3 and other system
because of short circuit to ground. Then go to Step
17.
NO : Repair it. Then go to Step 17.
STEP 17. Using scan tool MB991502, check data list item
24: Vehicle Speed Sensor.
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Start the engine.
(3) Set scan tool MB991502 to the data reading mode for item
24, Vehicle Speed Sensor.
•
Check that the speedometer and MUT-II display speed
match when traveling at a vehicle speed of 40km/h
(25mph).
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the sensor operating properly?
YES : The inspection is complete.
NO : Retry the troubleshooting.
DTC P0500: Vehicle Speed Sensor Malfunction <A/T>
TECHNICAL DESCRIPTION
•
When a malfunction of the vehicle speed sensor
is detected, the transaxle control CPU inside the
powertrain control module (PCM) outputs a
malfunction signal to the engine control CPU in
the PCM.
DTC SET CONDITIONS
Check Conditions, Judgment Criteria
•
Vehicle speed sensor failure signal is input to the
engine control CPU from the transaxle control
CPU.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
•
Vehicle speed sensor failed.
•
Open or shorted vehicle speed sensor circuit, or
loose connector.
•
PCM failed.
DIAGNOSIS
Required Special Tools
MB991502: Scan Tool (MUT-II)
AK000547AC
CONNECTOR:B-39
AKX01177
16 PIN
MB991502
AB
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-289
STEP 1. Using scan tool MB991502, read the A/T
diagnostic trouble code (DTC).
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Check the A/T-DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the A/T-DTC is output?
YES : Refer to GROUP 23A, Automatic Transaxle
Diagnosis
−
Diagnostic Trouble Code Chart (
NO : If DTC P0500 is output again after the MFI-DTC has
been erased, replace the PCM. Then check that the
DTC P0500 does not reset.
AKX01177
16 PIN
MB991502
AB
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-290
DTC P0506: Idle Control System RPM Lower Than Expected
AK000669
1 2
3 4
6
17
8
15
9
18
7
20
16
2
10
13
12
23 24 25 26
11
21
3
1
14
4
12
11
16
5 6
7 8
21
13
27
14
28
15
29
17
30
18
31
19
32
20
33
22
34
23
35
1
24
3
26
9
2
25
10
19
5
4
22
1 2
4 5 6
3
RED-
WHITE
RED-
WHITE
RED-
WHITE
RED
RED
RED
GREEN-BLA
CK
GREEN-RED
GREEN-WHITE
BLA
CK-YELLO
W
C-49<M/T>
(MU803773)
C-50<A/T>
(MU803784)
B-34
IDLE AIR
CONTROL(IAC)
MOTOR
A-21X
BATTERY
MFI
RELAY
1
1
2
2
3
3
4
4
5
6
ENGINE CONTROL
MODULE(ECM)<M/T>
OR
POWERTRAIN CONTROL
MODULE(PCM)<A/T>
4<M/T>
14<A/T>
17<M/T>
28<A/T>
5<M/T>
15<A/T>
18<M/T>
29<A/T>
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