Mitsubishi Outlander XL. Manual - part 788

 

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Mitsubishi Outlander XL. Manual - part 788

 

 

STEP 1. Using scan tool MB991958, diagnose the CAN bus
line

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. Refer to "How to connect the
Scan Tool (M.U.T.-III) P.42B-10."

(2)

Turn the ignition switch to the "ON" position.

(3)

Diagnose the CAN bus line.

(4)

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

Q:Is the CAN bus line found to be normal?

YES:

 Go to Step 2.

NO:

 Repair the CAN bus line. (Refer to GROUP 54D,

Diagnosis P.54D-17).

STEP 2. Using scan tool MB991958, read the SRS-ECU
diagnostic trouble code.
Check if DTC is set to the SRS-ECU.

Q:Is the DTC set?

YES:

 Troubleshoot the SRS. (Refer to GROUP 52B,

Diagnosis P.52B-33.)

NO:

 Go to Step 3.

STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU.

(1)

Erase the DTC.

(2)

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

(3)

Check if DTC is set.

(4)

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

Q:Is the DTC set?

YES:

 Replace KOS-ECU and register the ID codes. (Refer

to P.42B-12.)

NO:

 The trouble can be an intermittent malfunction (Refer

to GROUP 00 - How to use Troubleshooting/inspection
Service Points - How to Cope with Intermittent
Malfunction P.00-15).

KEYLESS OPERATION SYSTEM (KOS)

42B-95

DIAGNOSIS

DTC U0155: Combination meter CAN timeout

M14209100104USA0000010000

｠

If the diagnostic trouble code No. U0155 is set,
be sure to diagnose the CAN bus line.

｠

When replacing the ECU, always check that the
communication circuit is normal.

TROUBLE JUDGMENT
If  no  signal  from  the  combination  meter  can  be
received, KOS-ECU sets the DTC U0155.

TROUBLESHOOTING HINTS

｠

Malfunction of CAN bus line

｠

Combination meter malfunction

｠

Malfunction of KOS-ECU

DIAGNOSIS

Required Special Tools:

｠

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

｠

MB991824: Vehicles Communication Interface (V.C.I.)

｠

MB991827: M.U.T.-III USB Cable

｠

MB991910:  M.U.T.-III  Main  Harness  A  (Vehicles  with
CAN communication system)

STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.

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. Refer to "How to connect the
Scan Tool (M.U.T.-III) P.42B-10."

(2)

Turn the ignition switch to the "ON" position.

(3)

Diagnose the CAN bus line.

(4)

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

Q:Is the CAN bus line found to be normal?

YES:

 Go to Step 2.

NO:

 Repair the CAN bus line. (Refer to GROUP 54D,

Diagnosis P.54D-17).

STEP 2. Using scan tool MB991958, read the combination
meter diagnostic trouble code
Check if DTC is set to the combination meter.

Q:Is the DTC set?

YES:

 Troubleshoot the combination meter. (Refer to GROUP

54Ab, Diagnosis P.54Ab-7.)

42B-96

KEYLESS OPERATION SYSTEM (KOS)

DIAGNOSIS

NO:

 Go to Step 3.

STEP 3. Using scan tool MB991958, read the A/C-ECU
diagnostic trouble code.
Check if the DTC U0155 is set to the A/C-ECU.

Q:Is the DTC set?

YES:

 Go to Step 4.

NO:

 Go to Step 5.

STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU.

(1)

Erase the DTC.

(2)

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

(3)

Check if DTC is set.

(4)

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

Q:Is the DTC set?

YES:

 Replace the combination meter.

NO:

 The trouble can be an intermittent malfunction such

as a poor connection or open circuit in the CAN bus lines
between the combination meter and the ETACS-ECU. (Refer
to GROUP 00, How to Cope with Intermittent Malfunction P.
00-15)

STEP 5. Recheck for diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU.

(1)

Erase the DTC.

(2)

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

(3)

Check if DTC is set.

(4)

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

Q:Is the DTC set?

YES:

 Replace KOS-ECU and register the ID codes. (Refer

to P.42B-12.)

NO:

 The trouble can be an intermittent malfunction such

as a poor connection or open circuit in the CAN bus lines
between the combination meter and the ETACS-ECU. (Refer
to GROUP 00, How to Cope with Intermittent Malfunction P.
00-15)

DTC U0164: A/C-ECU CAN timeout

M14209100105USA0000010000

｠

If the DTC U0164 is set, be sure to diagnose the
CAN bus line.

｠

When replacing the ECU, always check that the
communication circuit is normal.

DIAGNOSTIC FUNCTION
If the signal from A/C-ECU cannot be received, the
KOS-ECU sets the DTC U0164.

TROUBLESHOOTING HINTS

｠

The CAN bus line may be defective.

｠

The A/C-ECU may be defective.

｠

The KOS-ECU may be defective.

KEYLESS OPERATION SYSTEM (KOS)

42B-97

DIAGNOSIS

DIAGNOSIS

Required Special Tools:

｠

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

｠

MB991824: Vehicles Communication Interface (V.C.I.)

｠

MB991827: M.U.T.-III USB Cable

｠

MB991910:  M.U.T.-III  Main  Harness  A  (Vehicles  with
CAN communication system)

STEP 1. Using scan tool MB991958, diagnose the CAN bus
line

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. Refer to "How to connect the
Scan Tool (M.U.T.-III) P.42B-10."

(2)

Turn the ignition switch to the "ON" position.

(3)

Diagnose the CAN bus line.

(4)

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

Q:Is the CAN bus line found to be normal?

YES:

 Go to Step 2.

NO:

 Repair the CAN bus line. (Refer to GROUP 54D,

Diagnosis P.54D-17).

STEP 2. Using scan tool MB991958, read the A/C diagnostic
trouble code
Check if DTC is set to the A/C-ECU.

Q:Is the DTC set?

YES:

 Troubleshoot the A/C (Refer to GROUP 55A, Manual A/

C Diagnosis P.55A-8or GROUP 55B, Auto A/C Diagnosis P.
55B-7).

NO:

 Go to Step 3.

STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU.

(1)

Erase the DTC.

(2)

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

(3)

Check if DTC is set.

(4)

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

Q:Is the DTC set?

YES:

 Replace KOS-ECU and register the ID codes. (Refer

to P.42B-12.)

42B-98

KEYLESS OPERATION SYSTEM (KOS)

DIAGNOSIS

 

 

 

 

 

 

 

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