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

Toyota CH-R Service Manual / Theft Deterrent / Keyless Entry / Theft Deterrent System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use this procedure to troubleshoot the theft deterrent system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the problem.

Click here

PRE-CHECK

(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.

(b) Check the fuses and relays.

(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

4.	SYMPTOM SIMULATION

5.	INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check for CAN communication system DTCs.

Click here

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

GO TO CAN COMMUNICATION SYSTEM

6.	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 STEP 8

7.	PERFORM OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) System Description

Click here

(b) Terminals of ECU

Click here

(d) Inspection

8.	REPAIR OR REPLACE

9.	CONFIRMATION TEST

END

Customize Parameters

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

System Diagram

Customize Parameters

Other materials:

Toyota CH-R Owners Manual

Toyota CH-R Service Manual