Toyota CH-R Service Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Automatic headlight beam level control system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

DIAGNOSIS SYSTEM

(a) If the automatic headlight beam level control system malfunctions, "Headlight System Malfunction Visit Your Dealer" warning message is displayed on the multi-information display.

HINT:

In this case, the headlight ECU sub-assembly LH stores DTCs.