Mitsubishi Montero (2002-2004). Manual — part 722

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-585

STEP 4. Check for short circuit to ground between throttle
actuator control motor connector B-05 (terminal No. 6) and
PCM connector D-136 (terminal No. 133).
Q: Is the harness wire in good condition?

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

AK201174

1

6 5 4 3 2

B-05(B)

CONNECTOR: B-05

HARNESS
CONNECTOR:
COMPONENT SIDE

AB

AK201170

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

CONNECTOR: D-136

PCM

D-136(GR)

HARNESS CONNECTOR:
COMPONENT SIDE

AB

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-586

STEP 5. Check for short circuit to ground between throttle
actuator control motor connector B-05 (terminal No. 5) and
PCM connector D-136 (terminal No. 141).
Q: Is the harness wire in good condition?

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

STEP 6. Using scan tool MB991502, read the diagnostic
trouble code (DTC).

CAUTION

To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK"(OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is DTC P2102 set?

YES : Replace the PCM. Then go to Step 7.
NO : It can be assumed that this malfunction is intermittent.

Refer to GROUP 00, How to Use Troubleshooting/
Inspection Service Points

P.00-6

.

AK201174

1

6 5 4 3 2

B-05(B)

CONNECTOR: B-05

HARNESS
CONNECTOR:
COMPONENT SIDE

AB

AK201170

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

CONNECTOR: D-136

PCM

D-136(GR)

HARNESS CONNECTOR:
COMPONENT SIDE

AB

ACX01539

16-PIN

MB991502

AC

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-587

STEP 7. Using scan tool MB991502, read the diagnostic
trouble code (DTC).
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is DTC P2102 set?

YES : Retry the troubleshooting.
NO : The inspection is complete.

P2103 Throttle Actuator Control Motor Circuit (Shorted High)

ACX01539

16-PIN

MB991502

AC

AK201462

GREEN-

WHITE

GREEN-

YELL

OW

B-05

133

6

THROTTLE
ACTUATOR
CONTROL
MOTOR

POWERTRAIN
CONTROL
MODULE

141

5

6

1 2 3 4 5

D-136

(MU803801)

121122

123

125126127128129 130 131 132

134135

136 137 138 139 140

142143

144

145

124

133

141

146

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-588

.

CIRCUIT OPERATION

• Controls the current that is applied from the PCM

(terminals No. 133, No. 141) to the throttle actua-
tor control motor (terminals No. 5, No. 6).

.

TECHNICAL DESCRIPTION

• PCM varies the direction and the amperage of

the current that is applied to the throttle actuator
control motor in order to control the opening of
the throttle valve.

.

DTC SET CONDITIONS

Check Conditions

• Battery positive voltage is higher than 8.3 volts

Judgement Criteria

• Throttle actuator control motor current is 8

amperes or higher for 0.16 seconds.

.

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

• Throttle actuator control motor failed or malad-

justed.

• Open or shorted throttle actuator control motor

circuit, or loose connector.

• PCM failed.

DIAGNOSIS

Required Special Tool:

• MB991502: Scan Tool (MUT-II)

STEP 1. Check connector B-05 at throttle actuator control
motor for damage.
Q: Is the 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 7.

AK201173AC

THROTTLE
ACTUATOR
CONTROL
MOTOR

AK201038AI

CONNECTOR: D-136

PCM

D-136(GR)

AK201174

1

6 5 4 3 2

B-05(B)

CONNECTOR: B-05

HARNESS
CONNECTOR:
COMPONENT SIDE

AB