DTC CHECK / CLEAR
1. START DIAGNOSTIC MODE
HINT:
(a) Start the engine.
(b) While pressing and holding the "AUDIO" switch, operate the light control switch: Off → Tail → Off → Tail → Off → Tail → Off.
(c) Diagnostic mode starts and the "Service Menu" screen will be displayed. Service inspection starts automatically and the result will be displayed.
2. FAILURE DIAGNOSIS
(a) The "Failure Diagnosis" screen will be displayed by pressing the "Failure Diagnosis" switch on the "Service Menu" screen.
3. SYSTEM CHECK
(a) The "System Check Mode" screen will be displayed by pressing the "System Check" switch on the "Failure Diagnosis" screen.
4. CHECK DTC (CHECK USING SYSTEM CHECK MODE SCREEN)
HINT:
(a) System check mode screen description
Screen Description
Display |
Content |
---|---|
*a: Device Name List No. 1 |
|
*b: Check Result |
Result codes for all devices are displayed. |
*c: Memory Clear |
|
*d: Recheck |
|
*e: Device Name List No. 2 |
|
Name |
Component |
Connection Method |
---|---|---|
AVN |
Navigation receiver assembly |
- |
EXT BOX |
Stereo component tuner assembly |
Communication line for LVDS |
DSP-AMP |
Stereo component amplifier assembly |
Communication line for AVC-LAN |
Result |
Meaning |
Action |
---|---|---|
OK |
The device does not respond with a DTC. |
- |
DETAIL |
The device responds with a DTC. |
Look up the DTC in "Unit Check Mode". |
NCON |
The device was previously present, but does not respond in diagnostic mode. |
- Check power supply wire harness of the device. - Check the AVC-LAN of the device. |
NRES |
The device responds in diagnostic mode, but gives no DTC information. |
- Check power supply wire harness of the device. - Check the AVC-LAN of the device. |
Name |
Component |
Connection Method |
---|---|---|
AUX/VTR |
No. 1 stereo jack adapter assembly |
Vehicle wire harness |
(b) Unit check mode screen description
Screen Description
Display |
Content |
---|---|
*a: Device name |
Target device |
*b: History DTC |
Diagnostic memory results and stored DTCs are displayed. |
*c: Current DTC |
DTCs output in the service check are displayed. |
*d: DTC |
DTC (Diagnostic Trouble Code) |
*e: Diagnosis clear switch |
Pushing this switch for 3 seconds clears the diagnostic memory data of the target device (Both response to diagnostic system check result and the displayed data are cleared.). |
HINT:
(c) Read the system check result.
(1) If the check result is "DETAIL", touch the displayed check result to view the results on the "Unit Check Mode" screen and record them.
NOTICE:
A maximum of 6 DTCs can be displayed for history and present DTCs on the "Unit check mode" screen. Therefore, when 6 DTCs are displayed, troubleshoot those DTCs first and then check the "Unit check mode" screen again to see if any other DTCs are displayed.
HINT:
(2) Check the details of the DTCs (See page ).
5. DTC CLEAR/RECHECK (CLEAR USING SYSTEM CHECK MODE SCREEN)
(a) Clear DTC
(1) Press the "Memory CLR" switch for 3 seconds.
(2) Confirm that the check results are cleared.
HINT:
(b) Recheck
(1) Press the "Recheck" switch.
(2) Confirm that all diagnostic codes are "OK" when the check results are displayed. If a code other than "OK" is displayed, troubleshoot again.
HINT:
When a DTC was cleared using the "Unit Check Mode" screen, press the "Back" switch to return to the "System Check Mode" screen and perform this operation.
6. FINISH DIAGNOSTIC MODE
(a) Turn the ignition switch off.
Low Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1273,C1274,C1403,C1404)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1273
C1274
Stored only during test mode.
Rear speed sensor RH/LH
Rear speed sensor rotor RH/LH (rear ax ...
Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the No. 2 indoor electrical key antenna assembly (rear floor).
For the No. 2 indoor electrical key antenna assembly (rear floor) to detect when
the electrical key transmitter sub- ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Smart Key System (for Start Function)
DTC Code
Detection Item
See page
B2271
Ignition Hold Monitor Malfunction
B2274
ACC Monitor Malfunction
...