Mitsubishi Evolution X. Manual — part 1030
HANDS-FREE CELLULAR PHONE SYSTEM
TSB Revision
CHASSIS ELECTRICAL
54A-481
DTC U0164: A/C CAN timeout
CAUTION
• If 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
hands free module sets the DTC U0164.
.
PROBABLE CAUSES
• The CAN bus line may be defective.
• The A/C-ECU may be defective.
• The hands free module may be defective.
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.
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)
."
(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,
).
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 55,
Automatic A/C Diagnosis
NO : Go to Step 3.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
HANDS-FREE CELLULAR PHONE SYSTEM
TSB Revision
CHASSIS ELECTRICAL
54A-482
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the hands free module.
(1) Erase the DTC.
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(3) Check if DTC is set.
Q: Is the DTC set?
YES : Replace the hands free module.
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
DTC U0168: WCM CAN timeout
CAUTION
• If DTC U0168 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 KOS-ECU <vehicles with KOS> or
WCM <vehicles with WCM> cannot be received, the
hands free module sets DTC U0168.
.
PROBABLE CAUSES
• The CAN bus line may be defective.
• The KOS-ECU may be defective. <vehicles with
KOS>
• The WCM may be defective. <vehicles with
WCM>
• The hands free module may be defective.
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)
HANDS-FREE CELLULAR PHONE SYSTEM
TSB Revision
CHASSIS ELECTRICAL
54A-483
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)
."
(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,
).
STEP 2. Using scan tool MB991958, read the KOS-ECU
<vehicles with KOS> or WCM <vehicles with WCM>
diagnostic trouble code.
Check again if the DTC is set to the KOS-ECU <vehicles with
KOS> or WCM <vehicles with WCM>.
Q: Is the DTC set?
YES : Troubleshoot the KOS or WCM (Refer to GROUP
42B, Diagnosis
<KOS> or GROUP 42C,
<WCM>).
NO : Go to Step 3.
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the hands free module.
(1) Erase the DTC.
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(3) Check if DTC is set.
Q: Is the DTC set?
YES : Replace the hands free module.
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
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
HANDS-FREE CELLULAR PHONE SYSTEM
TSB Revision
CHASSIS ELECTRICAL
54A-484
Code No.U0184 AUDIO CAN timeout
CAUTION
• If DTC U0184 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 the radio and CD player cannot be
received, the hands free module sets the diagnostic
trouble code No. U0184.
.
PROBABLE CAUSES
• The radio and CD player may be defective.
• The hands free module may be defective.
• The CAN bus may be defective.
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 (Vehicles with
CAN communication system)
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)
."
(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,
).
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст