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". |
DTC 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, " ...
Spark plugs
Replacing spark plugs
Platinum-tipped spark plugs
It is not necessary to replace platinum-tipped A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Follow
the maintenance log shown in the Maintenance
and Schedules section of this manual. Do
not ser ...
Camshaft valve clearance
Inspection and Adjustment
INSPECTION
Perform inspection as follows after removal, replacement or installation of
camshaft or valverelated parts, or if
there are unusual engine conditions regarding valve clearance.
Remove rocker cover.
Measure the valve clearance with the following proced ...