Mitsubishi Outlander XL. Manual - part 271

ZK603308

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

AA00

B-10 harness
connector:
component side 

B-13 harness
connector:
component side 

　 a

.

Connector  B-13  (terminal  No.  2)  and  connector  B-10
(terminal No. 41).

b
.

Connector  B-13  (terminal  No.  4)  and  connector  B-10
(terminal No. 40).

｠

Should be less than 2 ohms.

B-13 harness
connector:
component side 

1

2

3

4

ZK603309AA00

(3)

Check  for  the  continuity  between  the  oxygen  sensor
connector B-14 and ground.

a
.

Connector B-13 (terminal No. 2) and ground

b
.

Connector B-13 (terminal No. 4) and ground

｠

Not continuity.

Q:Is the harness wire in good condition?

YES:

 Go to Step 4.

NO:

 Repair it. Refer to GROUP 00E, Harness Connector

Inspection P.00E-2. 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  23  P.
13Ab-8

(2)

Check the diagnostic trouble code (DTC).

Q:Is DTC P0157 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
42C, ID Code Registration Judgment Table <Vehicles with
WCM> P.42C-8. Then go to Step 5.

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.

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-279

DIAGNOSTIC TROUBLE CODE PROCEDURES

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  23  P.
13Ab-8.

(2)

Check the diagnostic trouble code (DTC).

Q:Is DTC P0157 set?

YES:

 Retry the troubleshooting.

NO:

 The inspection is complete.

DTC P0158: Heated Oxygen Sensor Circuit High Voltage (bank 2, sensor 2)

M11310100199USA0000010000

ZK602841

1

2

3 4 5 6 7 8 9 10 11 12 13 14 15 16

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

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

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

2

1

4

3

0.5 V

AA00

ENGINE
CONTROL
MODULE

LEFT BANK HEATED
OXYGEN SENSOR (REAR)

FROM MFI RELAY

TO ECM

1

2

3

4

41

YELLO

W

ORANGE

40

LEFT BANK HEATED OXYGEN SENSOR (REAR) CIRCUIT

B-10

B-13

MU802665

13Ab-280

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

DIAGNOSTIC TROUBLE CODE PROCEDURES

ZK603595AA00

Left bank heated
oxygen sensor (rear)

Front
exhaust pipe 

B-13 (GR)

Connector: B-13

ZK603591

ECM

B-10 (GR)

Connector: B-10

AA00

 

CIRCUIT OPERATION

｠

A  voltage  corresponding  to  the  oxygen
concentration in the exhaust gas is sent to the ECM
(terminal No. 40) from the output terminal (terminal
No. 4) of the left bank heated oxygen sensor (rear).

｠

Terminal  No.  2  of  the  left  bank  heated  oxygen
sensor (rear) is grounded with ECM (terminal No.
41).

｠

The  ECM  applies  an  offset  voltage  of  0.5  volt  to
terminal No. 2 of the left bank heated oxygen sensor
(rear).

TECHNICAL DESCRIPTION

｠

The  output  signal  of  the  left  bank  heated  oxygen
sensor (front) is compensated by the output signal
of the left bank heated oxygen sensor (rear).

｠

The ECM checks for the left bank heated oxygen
sensor (rear) output voltage.

DESCRIPTIONS OF MONITOR METHODS

Left  bank  heated  oxygen  sensor  (rear)  output
voltage is over the 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)

｠

Heated oxygen sensor heater (front) monitor

｠

Heated oxygen sensor heater (rear) monitor

｠

Air/fuel ratio feedback monitor

Sensor (The sensor below is determined to be
normal)

｠

Mass airflow sensor

｠

Engine coolant temperature sensor

｠

Intake air temperature sensor

｠

Barometric pressure sensor

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-281

DIAGNOSTIC TROUBLE CODE PROCEDURES

DTC SET CONDITION

Logic Flow Chart

Start

End

No

Yes

Yes

Yes

No

No

Malfunction

Good

Continuous

failure for 2secs

Output voltage

> 1.8V

Monitoring

conditions

ZK603713 AA00

Check Conditions

｠

2 seconds or more have passed since the engine
starting sequence was completed.

｠

Heated oxygen sensor offset voltage is between 0.4
and 0.6 volt.

Judgement Criterion

｠

Left  bank  heated  oxygen  sensor  (rear)  output
voltage has continued to be 1.8 volts or higher for 2
seconds.

OBD-II DRIVE CYCLE PATTERN

Refer to Diagnostic Function - OBD-II Drive Cycle -
Pattern 24 P.13Ab-8.

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

｠

Connector damage.

｠

Harness damage.

｠

ECM failed.

 

DIAGNOSIS

13Ab-282

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

DIAGNOSTIC TROUBLE CODE PROCEDURES