Mitsubishi Outlander XL. Manual - part 237

DTC P0111: Intake Air Temperature Circuit Range/Performance Problem

M11310100176USA0000010000

ZK602835

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

3 4

2

1

AA00

88

89

INTAKE AIR TEMPERATURE
SENSOR (INTEGRATED IN
MASS AIRFLOW SENSOR)

ENGINE
CONTROL
MODULE

4

1

5 V

INTAKE AIR TEMPERATURE SENSOR CIRCUIT

VIOLET

BLA

CK-WHITE

A-07

(MU805110)

B-11

ZK603596

Mass airflow

sensor

AA00

A-07 (GR)

Connector: A-07

ZK603592

ECM

B-11 (GR)

Connector: B-11

AA00

 

CIRCUIT OPERATION

｠

Approximately 5 volts are applied to the intake air
temperature sensor output terminal (terminal No. 1)
from the ECM (terminal No. 89) via the resistor in
the ECM. The ground terminal (terminal No. 4) is
grounded with ECM (terminal No. 88).

｠

The  intake  air  temperature  sensor  is  a  negative
temperature coefficient type of resistor. When the
intake  air  temperature  rises,  the  resistance
decreases.

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-143

DIAGNOSTIC TROUBLE CODE PROCEDURES

｠

The  intake  air  temperature  sensor  output  voltage
increases  when  the  resistance  increases  and
decreases when the resistance decreases.

TECHNICAL DESCRIPTION

｠

The  intake  air  temperature  sensor  converts  the
intake air temperature to a voltage.

｠

The  ECM  checks  whether  this  voltage  is  within  a
specified range.

DESCRIPTIONS OF MONITOR METHODS

Intake air temperature sensor output voltage does
not change when specified go/stop operations are
repeated.

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)

｠

Engine coolant temperature sensor

13Ab-144

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

DIAGNOSTIC TROUBLE CODE PROCEDURES

DTC SET CONDITIONS

Logic Flow Chart

Yes

No

No

No

No

No

No

No

Monitoring

condition

Yes

Yes

Yes

Yes

Yes

F1 = 1

F1 = 1

F2 = F2 + 1, F1 = 0

F1 = F2 = 0

Good

Intake air temp.

changes

Have 60secs passed?

Have 30secs passed?

Vehicle speed > 50km/h

Vehicle speed > 1.5m/h

Yes

Yes

ZK603687AA00

End

End

Start

F2 >= 2

Malfunction

The counter F2 is not reset after each dr. cyc.

Check Conditions

｠

Engine  coolant  temperature  is  higher  than  76°C
(169°F).

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

13Ab-145

DIAGNOSTIC TROUBLE CODE PROCEDURES

｠

Repeat 2 or more times: drive*1, stop*1.

｠

Drive*1: vehicle speed higher than 50 km/h (31
mph) lasting a total of more than 60 seconds.

｠

Stop*2: vehicle speed lower than 1.5 km/h (1.0
mph) lasting more than 30 seconds.

Judgement Criterion

｠

Changes in the intake air temperature is lower than
1°C (1.8°F).

OBD-II DRIVE CYCLE PATTERN

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

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

｠

Intake air temperature sensor failed.

｠

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

STEP 1. Using scan tool MB991958, check data list item 5:
Intake Air Temperature Sensor.

ZC501967

AC404789

ZC5019680000

MB991824

MB991827

MB991910

Data link

connector

To prevent damage to scan tool MB991958, always turn the
ignition  switch  to  the  "LOCK"  (OFF)  position  before
connecting or disconnecting scan tool MB991958.

(1)

Connect scan tool MB991958 to the data link connector.

(2)

Remove the mass airflow sensor from the air intake hose.

(3)

Turn the ignition switch to the "ON" position.

(4)

Set scan tool MB991958 to the data reading mode for item
5, Intake Air Temperature Sensor.

(5)

Heating the sensor using a hair drier.

｠

The indicated temperature increases.

NOTE: 

Do not allow it to increase over 80°C (176°F).

(6)

Turn the ignition switch to the "LOCK" (OFF) position.

(7)

Attach the mass airflow sensor.

Q:Is the sensor 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 the intake air temperature sensor.

(1)

Disconnect  the  intake  air  temperature  sensor  connector
A-07.

(2)

Remove the mass airflow sensor.

13Ab-146

MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>

DIAGNOSTIC TROUBLE CODE PROCEDURES