Mitsubishi Outlander GS45X. Manual — part 850
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-333
STEP 3. Check the fuel tank temperature sensor.
(1) Disconnect the fuel tank temperature sensor connector
D-20.
(2) Measure the resistance between terminal No. 1 and No. 3
of the fuel tank temperature sensor.
Standard value: 0.5
− 12.0 kΩ
Q: Is the measured resistance between 0.5 and 12.0 k
Ω?
YES : Go to Step 4.
NO : Replace the fuel tank temperature sensor. Then go to
Step 5.
STEP 4. Check the trouble symptoms.
(1) Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function
− OBD-II Drive Cycle − Pattern 14
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0181 set?
YES : Replace the ECM. When the ECM is replaced,
register the ID code. Refer to GROUP 42B, Diagnosis
− ID Codes Registration Judgment Table <Vehicles
or GROUP 42C, Diagnosis
− ID
Codes Registration Judgment Table <Vehicles with
WCM>
NO : It can be assumed that this malfunction is
intermittent. Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points
− How to
Cope with Intermittent Malfunctions
.
STEP 5. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function
− OBD-II Drive Cycle − Pattern 14
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0181 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
1 2 3
4 5
AK700292 AB
Fuel tank temperature
sensor connector
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-334
DTC P0182: Fuel Tank Temperature Sensor Circuit Low Input
1
2 3
4
5
AK703877
71 72 73 74 75 76 77 78 79 80 81 82
83 84 85 86 87 88 89 90 91 92 93 94
95 96 97 98 99
100 101 102 103 104
112 113 114
109
108
107
110 111
115 116
106
105
118
117
2
8
7
6
5
4
3
11
21
20
19
18
17
16
15
14
13
12
9
22
1
10
AB
FUEL TANK TEMPERATURE SENSOR CIRCUIT
FUEL TANK TEMPERATURE
SENSOR (INTEGRATED IN FUEL
PUMP MODULE)
7
3
2
1
D-20
(MU802058)
115
VIOLET
VIOLET
B-11
C-129
FROM
COMBINATION
METER
5 V
ENGINE
CONTROL
MODULE
BLA
CK
AK700412
AB
Fuel pump module (fuel tank
temperature sensor)
D-20 (GR)
Connector: D-20
AK700402AB
ECM
B-11 (GR)
Connector: B-11
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-335
.
CIRCUIT OPERATION
• 5-volt voltage is applied to the fuel tank tempera-
ture sensor output terminal (terminal No. 3) from
the ECM (terminal No. 115) via the resistor in the
ECM.
• The fuel tank temperature sensor output voltage
increases when the resistance increases and
decreases when the resistance decreases. The
ground terminal (terminal No. 1) is grounded to
the vehicle body.
.
TECHNICAL DESCRIPTION
• The fuel tank temperature sensor converts the
fuel tank temperature to a voltage.
• The ECM detects the fuel tank temperature with
this output voltage.
.
DESCRIPTIONS OF MONITOR METHODS
Fuel tank temperature sensor output voltage is out of
specified range.
.
MONITOR EXECUTION
Continuous
.
MONITOR EXECUTION CONDITIONS
(Other monitor and Sensor)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• Not applicable
Sensor (The sensor below is determined to be
normal)
• Not applicable
.
AK900595
Connector: C-129
C-129
AB
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-336
DTC SET CONDITIONS
Logic Flow Chart
.
Check Conditions
• 2 seconds or more have passed since the engine
starting sequence was completed.
Judgement Criterion
• Sensor output voltage has continued to be 0.1
volt or lower for 2 seconds.
.
OBD-II DRIVE CYCLE PATTERN
Refer to Diagnostic Function
− OBD-II Drive Cycle −
Pattern 22
.
TROUBLESHOOTING HINTS (The most
likely causes for this code to be set are:)
• Fuel tank temperature sensor failed.
• Connector damage.
• Harness damage.
• ECM failed.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
AK700478
Good
Malfunction
End
No
No
No
No
Yes
Yes
Yes
Yes
Continuous
failure for 2secs
Monitoring
conditions
Start
Output voltage
< 0.1V
Output voltage
> 4.6V
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст