DTC Logic
DTC DETECTION LOGIC
| CONSULT Display | DTC Detection Condition | Possible Cause |
| Configuration Error [U12AA] | AV control unit is not properly configured or configuration is corrupt. | Configuration data needs to be written.
Refer to AV "CONFIGURATION (AV CONTROL UNIT) : Work Procedure". |
Diagnosis Procedure
1.PERFORM CONFIGURATION
When U12AA is detected, configuration data must be written.
>> Write configuration data with CONSULT. Refer to AV "CONFIGURATION (AV CONTROL UNIT) : Work Procedure".
U12AC AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
| CONSULT Display | DTC Detection Condition | Possible Cause |
| Display Temperature too High [U12AC] | Display temperature has exceeded maximum temperature. Display is switched OFF to avoid irreversible damage. | Replace AV control unit if malfunction occurs
constantly.
Refer to AV "Removal and Installation". |
U12AD AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
| CONSULT Display | DTC Detection Condition | Possible Cause |
| ECU Temperature too High [U12AD] | AV control unit temperature has exceeded maximum temperature. | Replace AV control unit if malfunction occurs
constantly.
Refer to AV"Removal and Installation". |
U12AE AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
| CONSULT Display | DTC Detection Condition | Possible Cause |
| Internal Amplifier temperature Warning [U12AE] | Internal amplifier temperature has exceeded maximum temperature. | Replace AV control unit if malfunction occurs
constantly.
Refer to AV "Removal and Installation". |
U12AF AV CONTROL UNIT
DTC Logic
DTC DETECTION LOGIC
| CONSULT Display | DTC Detection Condition | Possible Cause |
| CD Mechanism Temperature Warning [U12AF] | CD drive temperature has exceeded maximum temperature. CD drive is switched OFF to avoid irreversible damage. | Replace AV control unit if malfunction occurs
constantly.
Refer to AV"Removal and Installation". |
U1264 Antenna AMPDTC Logic DTC DETECTION LOGIC Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.ANTENNA AMP. INSPECT ...

DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK CHARGING SYSTEM Check the vehicle charging system. Refer to CHG "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG-16, " ...
Windshield-washer fluid
Windshield-washer fluid reservoir
Add a washer solvent to the windshield-washer
fluid reservoir for better cleaning. In the winter
season, add a windshield-washer antifreeze. Follow
the manufacturer's instructions for the mixture
ratio.
Refill the reservoir more frequently when driving
...
P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...