Mitsubishi Outlander GS45X. Manual - part 1596

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-33

STEP 6. Using scan tool MB991958, check the data list
item 89: Normally closed brake switch.
(1) Connect scan tool MB991958 to the data link connector

(Refer to

P.17-12

(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise

control system (Refer to

P.17-12

• Item 89: Normally closed brake switch.

• When the brake pedal is depressed, the display on

scan tool MB991958 should be "ON".

• When the brake pedal is released, the display on

scan tool MB991958 should be "OFF".

Q: Is the switch operating properly?

YES : Go to Step 11.
NO : Go to Step 7.

STEP 7. Check ECM connector B-11 and stoplight switch
connector C-124 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Refer to GROUP 00E, Harness Connector Inspection

P.00E-2

Q: Are the connectors and terminals in good condition?

YES : Go to Step 8.
NO : Repair or replace the damaged connector. Then go to

Step 12.

STEP 8. Check the harness wire between ECM connector
B-11 terminal number 108 and stoplight switch connector
C-124 terminal number 3, and between stoplight switch
connector C-124 terminal number 4 and body ground, for
damage.
Check harness wire for open/short circuit and damage.
Q: Are the harness wires in good condition?

YES : Go to Step 9.
NO : Repair or replace the damaged harness wire. Then go

to Step 12.

STEP 9. Check the stoplight switch.
Refer to GROUP 35A, Brake Pedal, Inspection

− Stoplight

Switch Check

P.35A-27

Q: Is the stoplight switch operating properly?

YES : Go to Step 10.
NO : Replace the stoplight switch (Refer to GROUP 35A,

Brake Pedal

P.35A-26

.) Then go to Step 12.

AC702532AC

Ground terminal

ETACS-ECU

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

17-34

STEP 10. Using scan tool MB991958, check the data list
item 89: Normally closed brake switch.
(1) Connect scan tool MB991958 to the data link connector

(Refer to

P.17-12

(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise

control system (Refer to

P.17-12

• Item 89: Normally closed brake switch.

• When the brake pedal is depressed, the display on

scan tool MB991958 should be "ON".

• When the brake pedal is released, the display on

scan tool MB991958 should be "OFF".

Q: Is the switch operating properly?

YES : Go to Step 11.
NO : Replace the ECM [Refer to GROUP 13A, Engine

Control Module (ECM)

P.13A-887

] <2.4L Engine> or

[Refer to GROUP 13B, Engine Control Module (ECM)

P.13B-904

] <3.0L Engine>. Then go to Step 12.

STEP 11. Read the cruise control system DTC.
(1) Disconnect the negative (

−) battery terminal, to erase the

DTC of the cruise control system.

(2) Connect the negative (

−) battery terminal.

(3) Turn the ignition switch to the "ON" position, and press the

"ON/OFF" switch to turn the cruise control system to ON
(turn on the "CRUISE" indicator light.)

(4) With the cruise control switches not operated, depress the

brake pedal for several seconds, and then read the DTC of
the cruise control system (Refer to

P.17-12

Q: Is DTC 22 set?

YES : Replace the ECM [Refer to GROUP 13A, Engine

Control Module (ECM)

P.13A-887

] <2.4L Engine> or

[Refer to GROUP 13B, Engine Control Module (ECM)

P.13B-904

] <3.0L Engine>. Then go to Step 12.

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 Malfunction

P.00-15

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

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STEP 12. Using scan tool MB991958, check the data list
item 74: Brake light switch, item 89: Normally closed brake
switch.
(1) Connect scan tool MB991958 to the data link connector

(Refer to

P.17-12

(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode for cruise

control system (Refer to

P.17-12

• Item 74: Brake light switch.

• When the brake pedal is depressed, the display on

scan tool MB991958 should be "ON."

• When the brake pedal is released, the display on

scan tool MB991958 should be "OFF."

• Item 89: Normally closed brake switch.

• When the brake pedal is depressed, the display on

scan tool MB991958 should be "ON."

• When the brake pedal is released, the display on

scan tool MB991958 should be "OFF."

Q: Is the switch operating properly?

YES : Go to Step 13.
NO : Return to Step 2.

STEP 13. Read the cruise control system DTC.
(1) Disconnect the negative (

−) battery terminal, to erase the

DTC of the cruise control system.

(2) Connect the negative (

−) battery terminal.

(3) Turn the ignition switch to the "ON" position, and press the

"ON/OFF" switch to turn the cruise control system to ON
(turn on the "CRUISE" indicator light.)

(4) With the cruise control switches not operated, depress the

brake pedal for several seconds, and then read the DTC of
the cruise control system (Refer to

P.17-12

Q: Is DTC P22 set?

YES : Return to Step 1.
NO : The procedure is complete.

CRUISE CONTROL

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ENGINE AND EMISSION CONTROL

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DTC 23: ECM and Its Related Component

DTC SET CONDITIONS

This DTC is set when there is failure in the ECM and
its related components.

TROUBLESHOOTING HINTS (THE MOST
LIKELY CAUSES FOR THIS CASE:)

• Malfunction of the MFI system.

• Malfunction of the ECM.

DIAGNOSIS

Required Special Tools:

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

• MB991824: V.C.I.

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

STEP 1. Using scan tool MB991958, read the MFI system
diagnostic trouble code.

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

(Refer to

P.17-12

(2) Turn the ignition switch to the "ON" position.
(3) Check for MFI system diagnostic trouble code (Refer to

GROUP 13A, Diagnostic Function

− How to Read and

Erase Diagnostic Trouble Codes

P.13A-11

) <2.4L Engine>

or (Refer to GROUP 13B, Diagnostic Function

− How to

Read and Erase Diagnostic Trouble Codes

P.13B-11