RADIO AND CD PLAYER
TSB Revision
CHASSIS ELECTRICAL
54A-341
STEP 4. 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 DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?
YES : Replace the occupant classification-ECU.
NO : The trouble can be an intermittent malfunction such
as a poor connection or open circuit in the CAN bus
lines between the occupant classification-ECU and
the radio and CD player (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 radio and CD player.
(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.
NO : The trouble can be an intermittent malfunction such
as a poor connection or open circuit in the CAN bus
lines between the occupant classification-ECU and
the radio and CD player (Refer to GROUP 00, How to
Cope with Intermittent Malfunction
P.00-15
).
DTC U0155: Meter CAN timeout
CAUTION
If DTC U0155 is set in the radio and CD player,
diagnose the CAN main bus line.
CAUTION
Whenever the radio and CD player is replaced,
ensure that the communication circuit is normal.
.
DIAGNOSTIC FUNCTION
When the signals from combination meter cannot be
received, the radio and CD player sets DTC U0155.
.
JUDGMENT CRITERIA
With the ignition switch in the ON position, system
voltage between 10
− 16 volts (data from
ETACS-ECU), power supply fuse(IOD fuse) is OK, or
odometer value is 80.5 km (50 miles) or more, and
the communications with combination meter cannot
be established for 2,500 ms or more, the radio and
CD player determines that a problem has occurred.
.
TROUBLESHOOTING HINTS
• The CAN bus line may be defective.
• The radio and CD player may be defective.
• The combination meter may be defective.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)