Toyota CH-R Service Manual: Problem Symptoms Table

Toyota CH-R Service Manual / Lighting (ext) / Automatic High Beam System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

Before replacing the main body ECU (multiplex network body ECU), refer to registration.*1
*1: w/ Smart Key System
When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
If the forward recognition camera has been replaced with a new one, be sure to perform Forward Recognition Camera Learning.
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HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Automatic High Beam System

Symptom	Suspected Area	Link
Automatic high beam indicator on the combination meter assembly does not illuminate	Check operating conditions
	Check meter / gauge system
	Automatic high beam switch circuit
	Headlight dimmer switch circuit
	Combination meter assembly
	Forward recognition camera
	Main body ECU (Multiplex network body ECU)
Automatic high beam system does not operate	Check operating conditions
	Check Data List (Auto H Beam STS)
	Check that the low beams and high beams operate manually	-
	Check automatic light control system operation
	Automatic high beam switch circuit
	Headlight dimmer switch circuit
	Forward recognition camera power source circuit
	Forward recognition camera
	Main body ECU (Multiplex network body ECU)

Operation Check

OPERATION CHECK AUTOMATIC HIGH BEAM SYSTEM OPERATION CHECK (a) Check the operation of the automatic high beam indicator light. *a Automatic High Beam Indicator Light ...

Terminals Of Ecu

TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *A Main Body ECU (Multiplex Network Body ECU) with 2 Connecto ...

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INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONER PRESSURE SENSOR (for VALEO Made) (a) Remove the vinyl tape from the cooler refrigerant liquid pipe A. (b) Sufficiently apply compressor oil to a new air conditioner pressure sensor and the fitting surface of the air conditioner pressure sensor. ...

Toyota CH-R Service Manual > Navigation Ecu: Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 2 NAVIGATION ECU BRACKET (a) Engage the guides to temporarily install the No. 2 navigation ECU bracket. (b) Install the No. 2 navigation ECU bracket with the 2 bolts to the navigation ECU. 2. ...

Toyota CH-R Service Manual: Problem Symptoms Table

Operation Check

Terminals Of Ecu

Other materials:

Toyota C-HR (AX20) 2023-2026 Owner's Manual

Toyota CH-R Owners Manual

Toyota CH-R Service Manual