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

CAUTION / NOTICE / HINT

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

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2.	CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK

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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.

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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

B

GO TO CAN COMMUNICATION SYSTEM

A

5.	CHECK FOR DTC* (LIGHTING SYSTEM)

(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 / 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

B

GO TO DIAGNOSTIC TROUBLE CODE CHART (LIGHTING SYSTEM)

A

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

(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 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

B

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

A

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

B

GO TO PROBLEM SYMPTOMS TABLE

A

8.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here

(b) Terminals of ECU

Click here

(c) Inspection

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9.	ADJUST, REPAIR OR REPLACE

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10.	CONFIRMATION TEST

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END