Toyota CH-R Service Manual: How To Proceed With Troubleshooting

Toyota CH-R Service Manual / Lighting (ext) / Automatic Headlight Beam Level Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the automatic headlight beam level control system.

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

3.	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 before proceeding to the next step.

4.	INSPECT CAN COMMUNICATION SYSTEM

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

Result	Proceed to
CAN communication system DTCs are not output	A
CAN communication system DTCs are output	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK FOR DTC* (LIGHTING SYSTEM)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / Main body or HL AutoLeveling / Trouble Codes.

(e) Check for DTCs.

Click here

Body Electrical > Main Body > Trouble Codes Body Electrical > HL AutoLeveling > Trouble Codes

Result	Proceed to
DTCs are not output	A
DTCs are output	B

GO TO DIAGNOSTIC TROUBLE CODE CHART (LIGHTING SYSTEM)

6.	CHECK FOR DTC* (AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

(e) Check for DTCs.

Click here

Body Electrical > HL AutoLeveling > Trouble Codes

Result	Proceed to
DTCs are not output	A
DTCs are output	B

GO TO DIAGNOSTIC TROUBLE CODE CHART (AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM)

7.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result	Proceed to
Fault is not listed in Problem Symptoms Table	A
Fault is listed in Problem Symptoms Table	B

GO TO PROBLEM SYMPTOMS TABLE

8.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here

(b) Terminals of ECU

Click here

9.	ADJUST, REPAIR OR REPLACE

10.	CONFIRMATION TEST

END

System Description

SYSTEM DESCRIPTION AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL (a) General The automatic headlight beam level control system ensures forward visibility and prevents dazzling of drivers in oncoming and ...

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Toyota CH-R Service Manual: How To Proceed With Troubleshooting

System Diagram

System Description

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