Mitsubishi Outlander GS45X. Manual — part 888

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-485

DTC SET CONDITIONS

Logic Flow Chart

.

Check Conditions

• Engine is being cranked.

• Battery positive voltage is between 10 and 16.5

volts.

.

Judgement Criteria

• The evaporative emission purge solenoid coil

surge voltage (battery positive voltage + 2 volts)
is not detected for 0.2 second.

• The ECM monitors for this condition once during

the drive cycle.

Check Conditions

• Battery positive voltage is between 10 and 16.5

volts.

• ON duty cycle of the evaporative emission purge

solenoid is between 10 and 90 percent.

• Evaporative emission ventilation solenoid is off.

• More than 1 second has elapsed after the above

mentioned conditions have been met.

Judgement Criterion

• The evaporative emission purge solenoid coil

surge voltage (battery positive voltage + 2 volts)
is not detected for 1 second after the evaporative
emission purge solenoid is turned off.

.

OBD-II DRIVE CYCLE PATTERN

Refer to Diagnostic Function

− OBD-II Drive Cycle −

Pattern 22

P.13B-11

.

.

TROUBLESHOOTING HINTS (The most
likely causes for this code to be set are:)

• Evaporative emission purge solenoid failed.

• Harness damage

• Connector damage

• ECM failed.

End

No

No

Was surge voltage

(> VB + 2V) detected?

Good

AK604339

Malfunction

Start

Yes

Yes

Monitoring
conditions

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

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MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-486

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: USB Cable

• MB991910: Main Harness A

STEP 1. Using scan tool MB991958, check actuator test
item 10: Evaporative Emission Purge Solenoid.

CAUTION

To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to the actuator test mode for item

10, Evaporative emission purge solenoid.

• An operation sound should be heard and vibration

should be felt when the evaporative emission purge
solenoid is operated.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the solenoid operating properly?

YES : 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

P.00-15

.

NO : Go to Step 2.

STEP 2. Check harness connector A-33X at the MFI relay
and harness connector B-07 at the evaporative emission
purge solenoid and harness connector B-10 at the ECM for
damage.
Q: Is the harness connector in good condition?

YES : Go to Step 3.
NO : Repair it. Refer to GROUP 00E, Harness Connector

Inspection

P.00E-2

. Then go to Step 7.

AK700568AB

MB991824

MB991827

MB991910

Data link
connector

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

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MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-487

STEP 3. Check the evaporative emission purge solenoid.
(1) Disconnect the evaporative emission purge solenoid

connector B-07.

(2) Measure the resistance between evaporative emission

purge solenoid side connector terminal No. 1 and No. 2.

Standard value: 22

− 26 Ω [at 20°C (68°F)]

Q: Is the measured resistance between 22 and 26 ohms [at

20

°C (68°F)]?

YES : Go to Step 4.
NO : Replace the evaporative emission purge solenoid.

Then go to Step 7.

STEP 4. Measure the power supply voltage at the
evaporative emission purge solenoid connector B-07.
(1) Disconnect the evaporative emission purge solenoid

connector B-07 and measure at the harness side.

(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal No. 2 and ground.

• Voltage should be battery positive voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.9 and 5.1 volts?

YES : Go to Step 5.
NO : Repair it. Then go to Step 7.

AK700319

1

2

AB

Evaporative emission
purge solenoide connector

AK700322

1

2

AB

B-07 harness
connector:
component side

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

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MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-488

STEP 5. Check for open circuit and short circuit to ground
and harness damage between the evaporative emission
purge solenoid connector B-07 and the ECM connector
B-10.
(1) Disconnect the evaporative emission purge solenoid

connector B-07 and the ECM connector B-10.

(2) Measure the evaporative emission purge solenoid

connector B-07 (terminal No. 1) and the ECM connector
B-10 (terminal No. 37).

• Should be less than 2 ohms.

(3) Check for the evaporative emission purge solenoid

connector B-07 (terminal No. 1) and ground.

• Not continuity.

Q: Is the harness wire in good condition?

YES : Go to Step 6.
NO : Repair it. Then go to Step 7.

AK700320

2

1

16 15 14 13 12 11 10 9 8 7 6 5 4 3

2

1

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

AB

B-07 harness
connector:
component side

B-10 harness
connector:
component side

2

1

AK700566AB

B-07 harness
connector:
component side