Lexus NX: Fail-safe Chart
FAIL-SAFE CHART
AUTOMATIC HIGH BEAM SYSTEM
(a) The main body ECU (multiplex network body ECU) operates in fail-safe mode if an abnormal condition such as those listed below has been detected.
| Item | Abnormality Detection Condition | Return Condition | Warning (Multi-information Display) |
|---|---|---|---|
| Airbag ECU Assembly Signal Malfunction | Normal yaw rate signal is not detected. | Normal yaw rate signal is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
| Speed Sensor Signal Malfunction | Normal speed sensor signal is not detected. | Normal speed sensor signal is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
| CAN Communication System Malfunction | Normal CAN communication system is not detected. | Normal CAN communication system is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
| Forward Recognition Camera Signal Malfunction | Normal forward recognition camera signal is not detected. | Normal forward recognition camera signal is detected. | "Headlight System Malfunction Visit Your Dealer" message is displayed |
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Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Automatic High Beam System DTC No. Detection Item Link B124B Automatic High Beam System B124C Automatic High Beam Camera U023A Lost Com
Vehicle Control History
VEHICLE CONTROL HISTORY CHECK VEHICLE CONTROL HISTORY HINT: The vehicle control history data stores the history of the reject function and system protection operations.
for Triple Beam Headlight:
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SEE MORE:
Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION In this circuit, the combination meter assembly receives engine coolant temperature signals from the ECM via the CAN communication system. The combination meter assembly displays the engine coolant temperature that is calculated based on the data received from the ECM. WIRING DIAGRAM CA
If the hybrid system will not start
Reasons for the hybrid system not
starting vary depending on the situation.
Check the following and perform
the appropriate procedure:
The hybrid system will not start
even though the correct starting
procedure is being followed.
One of the following may be the cause
of the problem:
Th
