Mitsubishi Outlander GS45X. Manual — part 1135

DIAGNOSIS

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KEYLESS OPERATION SYSTEM (KOS)

42B-119

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 radio and CD player or CD changer.
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

STEP 5. Recheck for diagnostic trouble code.
Check again if the DTC is set to the WCM.
(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

P.42B-15

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

DTC U0245: Audio visual navigation unit CAN timeout

CAUTION

• If the DTC U0245 is set, be sure to diagnose

the CAN bus line.

• When replacing the ECU, always check that

the communication circuit is normal.

DIAGNOSTIC FUNCTION

When the signals from audio visual navigation unit
cannot be received, the KOS-ECU sets the DTC
U0245.

TROUBLESHOOTING HINTS

• The CAN bus line may be defective.

• The KOS-ECU may be defective.

• The audio visual navigation unit may be defec-

tive.

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)

DIAGNOSIS

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KEYLESS OPERATION SYSTEM (KOS)

42B-120

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

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. Refer to "How to connect the

Scan Tool (M.U.T.-III)

P.42B-13

(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 54C,

Diagnosis

P.54C-17

STEP 2. Using scan tool MB991958, read the audio visual
navigation unit diagnostic trouble code.
Check if DTC is set to the audio visual navigation unit.
Q: Is the DTC set?

YES : Troubleshoot the MMCS. (Refer to GROUP 54A,

Diagnosis <MMCS>.)

NO : Go to Step 3.

STEP 3. Using scan tool MB991958, read the other system
diagnostic trouble code.
Check if DTC U0245 is set to the combination meter.
Q: Is the DTC set?

YES : Go to Step 4.
NO : Go to Step 5.

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link
connector

DIAGNOSIS

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KEYLESS OPERATION SYSTEM (KOS)

42B-121

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 audio visual navigation unit.
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

STEP 5. Recheck for diagnostic trouble code.
Check again if the DTC is set to the WCM.
(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

P.42B-15

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

DTC U1412: Implausible vehicle speed signal received

CAUTION

If there is any problem in the CAN bus lines, an incorrect
diagnostic trouble code may be set. Prior to this diagno-
sis, diagnose the CAN bus lines (Refer to GROUP 54C,
Trouble code diagnosis

P.54C-17

TPMS DTC SET CONDITION

KOS-ECU receives the wheel speed information from
ABS-ECU or ASC-ECU via the CAN-bus line. If KOS-ECU can-
not receive the information about the wheel speed sensor from
ABS-ECU or ASC-ECU, this code is set.

TROUBLESHOOTING HINTS

The most likely causes for this DTC to set are:

• Damaged wiring harness and connector

• Malfunction of ABS-ECU or ASC-ECU

• Malfunction of KOS-ECU

• Malfunction of ETACS-ECU

DIAGNOSIS

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KEYLESS OPERATION SYSTEM (KOS)

42B-122

DIAGNOSIS

Required Special Tools:

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

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?

YES : Go to Step 3.
NO : Repair the CAN bus lines (Refer to GROUP 54C

−

CAN Bus Diagnostics table

P.54C-17

). On

completion, go to Step 2.

STEP 2. Diagnostic trouble code recheck after resetting
CAN bus lines
(1) Turn the ignition switch to the "LOCK" (OFF) position.
(2) Turn the ignition switch to the "ON" position.
(3) Check if the DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC U1412 set?

YES : Go to Step 3.
NO : The procedure is complete.

STEP 3. Check for other diagnostic trouble code.
Check if the diagnostic trouble code is set from ABS-ECU or
ASC-ECU <Refer to GROUP 35B,diagnostic trouble code chart

P.35B-15

(vehicles without ASC) or Refer to GROUP 35C,

diagnostic trouble code chart

P.35C-18

(vehicles with ASC)>.

Q: Is the check result normal?

YES : Go to Step 4.
NO : Carry out the troubleshooting for ABS-ECU or

ASC-ECU <Refer to GROUP 35B, diagnostic trouble
code chart

P.35B-15

(vehicles without ASC) or Refer

to GROUP 35C, diagnostic trouble code chart

P.35C-18