Mitsubishi Outlander GS45X. Manual — part 88
RADIO AND CD PLAYER
TSB Revision
CHASSIS ELECTRICAL
54A-349
DTC U1415: Coding not completed/Data fail
CAUTION
If there is any problem in the CAN bus lines, an incorrect
diagnostic trouble code may be set. Prior to this diagno-
sis, always diagnose the CAN bus lines.
CAUTION
Before replacing the radio and CD player, be sure to check
that the power supply circuit, ground circuit, and commu-
nication circuit are normal.
.
TROUBLE JUDGMENT
When the vehicle information data is not registered to the audio
unit, the radio and CD player sets the DTC No.U1415.
.
COMMENTS ON TROUBLE SYMPTOM
The audio unit, ETACS-ECU, or CAN bus line may have a
problem.
.
PROBABLE CAUSES
• Malfunctions of audio unit
• Malfunction of the ETACS-ECU
• Malfunction of CAN bus line wiring harness and connector
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
RADIO AND CD PLAYER
TSB Revision
CHASSIS ELECTRICAL
54A-350
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 other system
DTC.
Check if the diagnostic trouble code relating to the coding error
is set to the ETACS-ECU.
(1) Turn the ignition switch to the "ON" position.
(2) Check for DTCs.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?
YES : Diagnose the ETACS-ECU (Refer to GROUP 54A,
ETACS-ECU, Diagnosis
), and then go to
Step 3.
NO : Go to Step 3.
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the radio and CD player.
(1) Erase the DTC.
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(3) Check if the DTC is set.
Q: Is the DTC set?
YES : Replace the radio and CD player.
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
ZC501967
AC404789
AC702802
MB991824
MB991827
MB991910
Data link
connector
AB
RADIO AND CD PLAYER
TSB Revision
CHASSIS ELECTRICAL
54A-351
DTC B2420: Power integrated circuit
CAUTION
If there is any problem in the CAN bus lines, an
incorrect diagnostic trouble code may be set.
Prior to this diagnosis, always diagnose the CAN
bus lines.
CAUTION
Before replacing the radio and CD player, be sure
to check that the power supply circuit, ground
circuit, and communication circuit are normal.
.
TROUBLE JUDGMENT
If the radio and CD player continuously apply the
voltage of two volts or more to the speakers for one
minute or more, it is determined that the offset volt-
age is exceeded, and then the diagnostic trouble
code is set.
.
COMMENTS ON TROUBLE SYMPTOM
The radio and CD player or CAN bus line may have a
problem.
.
PROBABLE CAUSES
• Malfunctions of radio and CD player
• Malfunction of CAN bus line wiring harness and
connector
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.
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,
).
ZC501967
AC404789
AC702802
MB991824
MB991827
MB991910
Data link
connector
AB
RADIO AND CD PLAYER
TSB Revision
CHASSIS ELECTRICAL
54A-352
STEP 2. Recheck for diagnostic trouble code.
Check again if the DTC is set to the radio and CD player.
(1) Erase the DTC.
(2) Turn the ignition switch from "LOCK" (OFF) position to "ON"
position.
(3) Check if the DTC is set.
Q: Is the diagnostic trouble code set?
YES : Replace the radio and CD player.
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 B2421: Radio tuner
CAUTION
If there is any problem in the CAN bus lines, an
incorrect diagnostic trouble code may be set.
Prior to this diagnosis, always diagnose the CAN
bus lines.
CAUTION
Before replacing the radio and CD player, be sure
to check that the power supply circuit, ground
circuit, and communication circuit are normal.
.
TROUBLE JUDGMENT
If the communication cannot be established consec-
utively for 10 times between the incorporated tuner of
radio and CD player and the microcomputer, the
diagnostic trouble code is set.
.
COMMENTS ON TROUBLE SYMPTOM
The radio and CD player or CAN bus line may have a
problem.
.
PROBABLE CAUSES
• Malfunctions of radio and CD player
• Malfunction of CAN bus line wiring harness and
connector
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
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