Mitsubishi Outlander XL. Manual — part 215
DTC SET CONDITION
Logic Flow Chart
Start
End
Yes
Yes
Yes
No
No
No
Malfunction
Good
Continuous
failure for 2secs
Monitoring
conditions
Current < 0.17A
or
Current > 10.5A
Voltage < 2.0V
ZK603657 AA00
Heater ON
Yes
Yes
No
Check Conditions
⦆
More than 2 seconds have passed since the engine
starting sequence was completed.
⦆
While the right bank heated oxygen sensor (front)
heater is on.
⦆
Battery positive voltage is between 11 and 16.5
volts.
Judgement Criterion
⦆
The right bank heated oxygen sensor (front) heater
current has continued to be lower than 0.17 ampere
for 2 seconds.
Check Conditions
⦆
More than 2 seconds have passed since the engine
starting sequence was completed.
⦆
While the right bank heated oxygen sensor (front)
heater is off.
⦆
Battery positive voltage is between 11 and 16.5
volts.
Judgement Criterion
⦆
The right bank heated oxygen sensor (front) heater
voltage has continued to be lower than 2.0 voltage
for 2 seconds.
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
13Ab-55
DIAGNOSTIC TROUBLE CODE PROCEDURES
OBD-II DRIVE CYCLE PATTERN
Refer to Diagnostic Function - OBD-II Drive Cycle -
Pattern 2 P.13Ab-8.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are: )
⦆
Connector damage.
⦆
Right bank heated oxygen sensor (front) heater.
⦆
Harness damage
⦆
ECM failed.
DIAGNOSIS
Required Special Tools:
⦆
MB991316: Test Harness
STEP 1. Check harness connector B-03 at the right bank
heated oxygen sensor (front) and harness connector B-10
at the ECM for damage.
Q:Is the harness connector in good condition?
YES:
Go to Step 2.
NO:
Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection P.00E-2. Then go to Step 6.
STEP 2. Check the right bank heated oxygen sensor (front).
Heated
oxygen
sensor
component
side
connector
MB991316
Red
Blue
ZK603150AA00
(1)
Disconnect right bank heated oxygen sensor (front)
connector B-03 and connect test harness special tool,
MB991316, to the connector on the right bank heated oxygen
(front) sensor side.
(2)
Measure the resistance between heated oxygen sensor
connector terminal No. 1 (red clip) and terminal No. 3 (blue
clip).
Standard value: 4.5 - 8.0 Ω [at 20°C (68°F)]
Q:Is the measured resistance between 4.5 and 8.0 ohms [at
20°C (68°F)]?
YES:
Go to Step 3.
NO:
Replace the right bank heated oxygen sensor (front).
Then go to Step 6.
STEP 3. Measure the power supply voltage at right bank
heated oxygen sensor (front) and harness side connector
B-03.
(1)
Disconnect the connector B-03 and measure at the harness
side.
(2)
Turn the ignition switch to the "ON" position.
13Ab-56
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
DIAGNOSTIC TROUBLE CODE PROCEDURES
B-03 harness
connector:
component side
ZK603151AA00
1
2
3
4
(3)
Measure the voltage between terminal No. 1 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:
Repair harness wire between the MFI relay connector
A-33X (terminal No. 2) and the right bank heated oxygen
sensor (front) connector B-03 (terminal No. 1) because of
open circuit or harness damage. Then go to step 6.
STEP 4.Check for open circuit to ground or harness damage
between right bank heated oxygen sensor (front) connector
B-03 and ECM connector B-10.
(1)
Disconnect the right bank heated oxygen sensor (front)
connector B-03 and the ECM connector B-10.
ZK603152
1
2
3
4
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
B-03 harness connector:
component side
B-10 harness connector:
component side
AA00
(2)
Measure the resistance between the heated oxygen sensor
connector B-03 (terminal No. 3) and the ECM connector B-10
(terminal No. 33).
⦆
Should be less than 2 ohms.
B-03 harness
connector:
component side
ZK603153AA00
1
2
3
4
(3)
Check for the continuity between the oxygen sensor
connector B-03 (terminal No. 3) and ground.
⦆
Not continuity.
Q:Is the harness wire in good condition?
YES:
Go to Step 5.
NO:
Repair it. Then go to Step 6.
STEP 5. Check the trouble symptoms.
(1)
Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function - OBD-II Drive Cycle - Pattern 2 P.
13Ab-8.
(2)
Check the diagnostic trouble code (DTC).
Q:Is DTC P0031 set?
YES:
Replace the ECM. When the ECM is replaced, register
the ID code. Refer to GROUP 42B, ID Code Registration
Judgment Table <Vehicles with KOS> P.42B-12or GROUP
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
13Ab-57
DIAGNOSTIC TROUBLE CODE PROCEDURES
42C, ID Code Registration Judgment Table <Vehicles with
WCM> P.42C-8. Then go to Step 6.
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 P.00-15.
STEP 6. 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 2 P.
13Ab-8.
(2)
Check the diagnostic trouble code (DTC).
Q:Is DTC P0031 set?
YES:
Retry the troubleshooting.
NO:
The inspection is complete.
13Ab-58
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
DIAGNOSTIC TROUBLE CODE PROCEDURES
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