DTC U0423-68: Error Signal Received From Instrument Cluster: Notes
WARNING: This page is about a different car, the 2018 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0423:68 (Adaptive Front Lighting System (AFS) Control Module) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Error Signal Received From Instrument Cluster
- Ignition switch error signal
- Selector lever position (R position) signal error
- Selector lever position (R position) signal not determined
|
| Detection Condition |
- Ignition switch error signal
- The adaptive front lighting system (AFS) control module received ignition switch error signal for 5 s or more with the ignition switched ON (engine off or on).
- Selector lever position (R position) signal error
- The adaptive front lighting system (AFS) control module received selector lever position (R position) signal error for 5 s or more with the ignition switched ON (engine off or on).
- Selector lever position (R position) signal not determined
- The adaptive front lighting system (AFS) control module detected undetermined selector lever position (R position) signal.
|
| Fail-safe |
- Ignition switch error signal
- Control of the adaptive front lighting system (AFS) is continued with the ignition switched ON (engine on).
- Control of the headlight auto leveling system is continued.
- Selector lever position (R position) signal error
- The swivel actuator is moved to the center.
- Control of the headlight auto leveling system is continued.
- Selector lever position (R position) signal not determined
- Control of the swivel actuator is continued with the transmission range switch fixed in the condition when the malfunction is determined.
- Control of the headlight auto leveling system is continued.
|
| Possible Cause |
- DTCs are stored in the instrument cluster.
- Instrument cluster malfunction
- Adaptive front lighting system (AFS) control module malfunction
|
| System Wiring Diagram |
Not applicable |