If the diagnosis
code No. U0164 is set, be sure to diagnose the CAN bus line.
When replacing the radio and CD player, always check that the communication circuit
is normal.
When the diagnosis code No.U1195 is set in radio and CD player, the diagnosis code
may also be set in ETACS-ECU. When the diagnosis code is set in ETACS-ECU, carry out the diagnosis
of the diagnosis code for ETACS-ECU first.
JUDGEMENT CRITERIA
This diagnosis code is set when the variant coding for ETACS-ECU has not been implemented.
PROBABLE CAUSES
Variant coding for ETACS-ECU has not been implemented.
Malfunction of radio and CD player
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnosis
Use M.U.T.-III to diagnose the CAN bus lines.
Q.
Is the check result normal?
Go to Step 2.
Repair the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
On completion, go to Step 4.
STEP 2. M.U.T.-III other system diagnosis code
Use M.U.T.-III to check that the diagnosis code No.B222C is set in the ETACS-ECU.
Q.
Is the diagnosis code set?
Troubleshoot the relevant diagnosis code, and then go to Step 4.
Go to Step 3.
STEP 3. Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the radio and CD player.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3)Check if the diagnosis code is set.
Q.
Is the diagnosis code No.U1195 set?
Replace the radio and CD player, and then go to Step 4.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How
to Cope with Intermittent Malfunctions ).
STEP 4. Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the radio and CD player.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.