Toyota CH-R Service Manual: Fail-safe Chart

Toyota CH-R Service Manual / Lighting (ext) / Automatic Headlight Beam Level Control System / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) Headlight ECU sub-assembly

(1) The headlight ECU sub-assemblies stop light operation if the following malfunctions are detected.

Malfunction			Multi-information Display Warning	DTC Output
Lighting on/off	LED light source malfunction	Low beam	Displayed	Output
	LED light source malfunction	High beam	Not Displayed	Output
	Fan malfunction		Displayed	Output
	Other than above (communication with main body ECU (multiplex network body ECU))		Displayed	Output
Automatic headlight beam level control system			Displayed	Output
Power supply	IG voltage line malfunction		Displayed	Output
Power supply	Other than an IG voltage line malfunction		Not displayed	Not output

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / HL AutoLevelin ...

Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an automatic headlight beam level control system DTC is stored, the headlight ECU sub-assembly LH stores the current vehicle state as freeze frame ...

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