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

Toyota CH-R Service Manual / Cellular Communication / Toyota Entune System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the Entune system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CHECK THE CUSTOMER'S CONTRACT STATUS

(a) Check if the satellite radio and Toyota Entune contracts are valid, or if the contract period has ended using the vehicle inquiry function on TIS.

Result	Proceed to
Both Contracts are valid.	A
Contract for satellite radio is not valid.	B
Contract for Toyota Entune is not valid.	C

GO TO AUDIO AND VISUAL SYSTEM

GO TO SAFETY CONNECT SYSTEM

3.	CHECK CAN COMMUNICATION SYSTEM*

(a) Check if CAN communication system DTCs are output.

Click here

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

GO TO CAN COMMUNICATION SYSTEM

4.	CHECK FOR DTC*

(a) Perform Health Check.

Click here

(b) Check for DTCs and note any codes that are output.

(d) Recheck for DTCs. Try to reproduce the DTCs by simulating the conditions indicated by the DTCs.

Result	Proceed to
DTCs are not output.	A
Audio and visual system DTCs are output.	B
Safety connect system DTCs are output.	C
Entune system DTCs are output.	D

GO TO AUDIO AND VISUAL SYSTEM

GO TO SAFETY CONNECT SYSTEM

GO TO DIAGNOSTIC TROUBLE CODE CHART

5.	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

HINT:

If the symptom does not recur and no DTCs are output, perform the simulation method.

Click here

GO TO STEP 7

6.	PERFORM TROUBLESHOOTING*

(a) Refer to Terminals of ECU.

Click here

7.	REPAIR OR REPLACE

8.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM HINT: Refer to following systems for details of the system diagram for Toyota Entune System. Audio and Visual System (w/o Navigation System) Click here Nav ...

Operation Check

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

System Diagram

Operation Check

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