Mitsubishi Outlander XL. Manual - part 459

｠

When the brake pedal is released, the display on scan
tool MB991958 should be "OFF".

(4)

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

(5)

Disconnect scan tool MB991958.

Q:Is the switch operating properly?

YES:

 Replace the ECM. When the ECM is replaced, register

the encrypted code (Refer to GROUP 42C, Diagnosis - ID
Code Registration Necessity Judgment Table P.42C-8).
Then go to Step 15.

NO:

 Go to Step 4.

STEP 4. Check fuse number 2 at the ETACS-ECU.

ZC6020520000

ETACS-ECU

Fuse number 2
(Housing color: Blue)

Q:Is the fuse in good condition?

YES:

 Go to Step 5.

NO:

 Check the stoplight system harness and replace the

fuse. Then go to Step 15.

STEP 5. Check the stoplight switch.

(1)

Remove the stoplight switch (Refer to GROUP 35A, Brake
Pedal P.35A-22).

ZC6020530000

C-124 Stoplight switch
connector

ZC602054

Continuity

No continuity

4.0 mm (0.16 in)

0000

Stop light switch

(2)

Connect  an  ohmmeter  to  the  stoplight  switch  between
terminals 1 and 2.

(3)

Check for continuity between the terminals when the plunger
of the stoplight switch is pushed in and when it is released.

(4)

The stoplight switch is operating properly if the circuit is open
between terminals 1 and 2 when the plunger is pushed in to
a depth of within 4.0 mm (0.16 inch) from the outer case edge
surface,  and  if  the  resistance  value  is  less  than  2  ohms
between terminals 1 and 2 when it is released.

Q:Is the stoplight switch operating properly?

YES:

 Install the stoplight switch (Refer to GROUP 35A,

Brake Pedal P.35A-22). Then go to Step 6.

NO:

 Replace the stoplight switch (Refer to GROUP 35A,

Brake Pedal P.35A-22). Then go to Step 15.

STEP 6. Check stoplight switch connector C-124 and
ETACS-ECU connector C-304 and C-312 for loose, corroded
or damaged terminals, or terminals pushed back in the
connector.

Q:Are the connectors and terminals in good condition?

AUTO-CRUISE CONTROL SYSTEM

17b-29

AUTO-CRUISE CONTROL SYSTEM DIAGNOSIS

YES:

 Go to Step 7.

NO:

 Repair or replace the damaged components (Refer to

GROUP 00E, Harness Connector Inspection P.00E-2). Then go
to Step 15.

STEP 7. Check the harness wire between ETACS-ECU
connector C-304 terminal 1 and ETACS-ECU connector
C-312 terminal 16 for damage.

Q:Is the harness wire in good condition?

YES:

 Go to Step 8.

NO:

 Repair the damaged harness wire. Then go to Step 15.

STEP 8. Using scan tool MB991958, check the ETACS
system data list item 290: Brake light switch.

(1)

Connect  scan  tool  MB991958  to  the  data  link  connector
(Refer to P.17b-5).

(2)

Turn the ignition switch to the "ON" position.

(3)

Set scan tool MB991958 to data reading mode for ETACS
system  (Refer  to  GROUP  54Ad,  Data  List  Reference
Table P.54Ad-51).

｠

Item 290, 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".

(4)

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

(5)

Disconnect scan tool MB991958.

Q:Is the switch 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:

 Replace the ETACS-ECU (Refer to GROUP 54Ad, ETACS-

ECU P.54Ad-93). Then go to Step 15.

STEP 9. 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.17b-5).

(2)

Turn the ignition switch to the "ON" position.

(3)

Set scan tool MB991958 to data reading mode for auto-cruise
control system (Refer to P.17b-5).

｠

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".

(4)

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

(5)

Disconnect scan tool MB991958.

Q:Is the switch operating properly?

YES:

 Go to Step 14.

NO:

 Go to Step 10.

17b-30

AUTO-CRUISE CONTROL SYSTEM

AUTO-CRUISE CONTROL SYSTEM DIAGNOSIS

STEP 10. Check the stoplight switch.

(1)

Remove the stoplight switch (Refer to GROUP 35A, Brake
Pedal P.35A-22).

ZC6020550000

C-124 Stoplight switch
connector

ZC602054

Continuity

No
continuity

4.5 mm (0.18 in)

0001

Stop light switch

(2)

Connect  an  ohmmeter  to  the  stoplight  switch  between
terminals 3 and 4.

(3)

Check for continuity between the terminals when the plunger
of the stoplight switch is pushed in and when it is released.

(4)

The stoplight switch is operating properly if the circuit is open
between terminals 3 and 4 when the plunger is released, and
if resistance value is less than 2 ohms between terminals 3
and 4 when the plunger is pushed in to a depth of within 4.5
mm (0.18 inch) from the outer case edge surface.

Q:Is the stoplight switch operating properly?

YES:

 Install the stoplight switch (Refer to GROUP 35A,

Brake Pedal P.35A-22). Then go to Step 11.

NO:

 Replace the stoplight switch (Refer to GROUP 35A,

Brake Pedal P.35A-22). Then go to Step 15.

STEP 11. Check ECM connector B-11 and stoplight switch
connector C-124 for loose, corroded or damaged terminals,
or terminals pushed back in the connector.

Q:Are the connectors and terminals in good condition?

YES:

 Go to Step 12.

NO:

 Repair or replace the damaged components (Refer to

GROUP 00E, Harness Connector Inspection P.00E-2). Then go
to Step 15.

STEP 12. Check the harness wire between ECM connector
B-11 terminal 108 and ground 3 for damage.

Q:Is the harness wire in good condition?

YES:

 Go to Step 13.

NO:

 Repair the damaged harness wire. Then go to Step 15.

STEP 13. 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.17b-5).

(2)

Turn the ignition switch to the "ON" position.

(3)

Set scan tool MB991958 to data reading mode for auto-cruise
control system (Refer to P.17b-5).

｠

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".

(4)

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

AUTO-CRUISE CONTROL SYSTEM

17b-31

AUTO-CRUISE CONTROL SYSTEM DIAGNOSIS

(5)

Disconnect scan tool MB991958.

Q:Is the switch 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:

 Replace the ECM. When the ECM is replaced, register

the encrypted code (Refer to GROUP 42C, Diagnosis - ID
Code Registration Necessity Judgment Table P.42C-8).
Then go to Step 15.

STEP 14. Check the symptoms.

Q:When the brake pedal is depressed, auto-cruise control

system is cancelled?

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:

 Replace the ECM. When the ECM is replaced, register

the encrypted code (Refer to GROUP 42C, Diagnosis - ID
Code Registration Necessity Judgment Table P.42C-8).
Then go to Step 15.

STEP 15. Check the symptoms.

Q:When the clutch pedal is depressed, auto-cruise control

system is cancelled?

YES:

 The procedure is complete.

NO:

 Return to Step 1.

17b-32

AUTO-CRUISE CONTROL SYSTEM

AUTO-CRUISE CONTROL SYSTEM DIAGNOSIS