Mitsubishi Evolution X. Manual — part 1048
SATELLITE RADIO TUNER
TSB Revision
CHASSIS ELECTRICAL
54A-553
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 audio
diagnostic trouble code.
Check if DTC is set to the radio and CD player.
Q: Is the DTC set?
YES : Troubleshoot the audio (Refer to
).
NO : Go to Step 3.
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the satellite radio tuner.
(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 satellite radio tuner.
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
SATELLITE RADIO TUNER
TSB Revision
CHASSIS ELECTRICAL
54A-554
DTC U0197: Hands free module CAN timeout
CAUTION
• If DTC U0197 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 hands free module cannot be
received, the satellite radio tuner sets DTC U0197.
.
JUDGMENT CRITERIA
With the ignition switch in the ON position, system
voltage between 10
− 16 volts (data from
ETACS-ECU), power supply fuse is OK, or odometer
value is 80.5 km (50 miles) or more, and the commu-
nications with hands free module cannot be estab-
lished for 2,500 ms or more, the satellite radio tuner
determines that a problem has occurred.
.
TROUBLESHOOTING HINTS
• The CAN bus line may be defective.
• The satellite radio tuner 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,
).
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
SATELLITE RADIO TUNER
TSB Revision
CHASSIS ELECTRICAL
54A-555
STEP 2. Using scan tool MB991958, read the hands free
module diagnostic trouble code.
Check again if the DTC is set to the hands free module.
Q: Is the DTC set?
YES : Troubleshoot the hands-free cellular phone system.
NO : Go to Step 3.
STEP 3. Recheck for diagnostic trouble code.
Check again if the DTC is set to the satellite radio tuner.
(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 satellite radio tuner.
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
TROUBLE SYMPTOM CHART
M1544016400033
Inspection
Procedure No.
Trouble symptom
Reference page
1
A satellite radio cannot be received.
2
Check the satellite radio tuner power supply circuit.
3
The error code "ANTENNA ERROR" is displayed on the display.
SATELLITE RADIO TUNER
TSB Revision
CHASSIS ELECTRICAL
54A-556
SYMPTOM PROCEDURES
Inspection Procedure 1: A satellite radio cannot be received.
CAUTION
Before replacing the satellite radio tuner, antenna
feeder, radio and CD player <vehicles with radio
and CD player> or multivision display <vehicles
with MMCS>, ensure that the power supply cir-
cuit, the ground circuit and the communication
circuit are normal.
Satellite Radio Tuner Communication Circuit <Vehicles with Radio and CD Player>
RADIO AND CD PLAYER
SATELLITE RADIO TUNER
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