CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
What? |
Vehicle model, system name |
When? |
Date, time, occurrence frequency, whether the problem occurred recently or has been occurring for a long time |
Where? |
Whether the problem occurs at a specific location |
Under what conditions? |
Whether the doors were locked or unlocked, whether the engine switch was on, whether the engine was running |
How did it happen? |
Problem symptoms* |
Click here
|
3. |
INSPECT BATTERY |
(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. |
CHECK 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 |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
5. |
CHECK METER / GAUGE SYSTEM* |
(a) Use the Techstream to check if the meter / gauge system is functioning normally.
HINT:
If the certification ECU (smart key ECU assembly) mistakenly receives a vehicle speed signal, communication between the vehicle and the Techstream fails. Be sure to check "Vehicle Speed Meter" displayed on the Data List to make sure that the vehicle speed is not abnormal.
Result |
Proceed to |
---|---|
No vehicle speed signal is mistakenly received |
A |
A vehicle speed signal is mistakenly received |
B |
B | ![]() |
GO TO METER / GAUGE SYSTEM |
|
6. |
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for LIN communication system DTCs.
Click here
Result |
Proceed to |
---|---|
LIN DTCs are not output |
A |
LIN DTCs are output |
B |
B | ![]() |
GO TO LIN COMMUNICATION SYSTEM |
|
7. |
CHECK FUNCTION OF WIRELESS DOOR LOCK CONTROL SYSTEM* |
(a) Using the Techstream, check for wireless door lock control system DTCs.
Click here
Result |
Proceed to |
---|---|
Wireless door lock control system DTCs are not output |
A |
Wireless door lock control system DTCs are output |
B |
B | ![]() |
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM |
|
8. |
CHECK FOR DTC* |
(a) Check for DTCs.
Body Electrical > Smart Key > Trouble Codes
Result |
Proceed to |
---|---|
DTCs are not output |
A |
Steering lock system DTCs are output |
B |
Immobiliser system (w/ Smart Key System) DTCs are output |
C |
Smart key system (for Entry Function) DTCs are output |
D |
B | ![]() |
GO TO STEERING LOCK SYSTEM |
C | ![]() |
GO TO IMMOBILISER SYSTEM |
D | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
9. |
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 | ![]() |
ADJUST REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
|
10. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Data List / Active Test
Click here
(c) Terminals of ECU
Click here
|
11. |
REPAIR OR REPLACEMENT |
|
12. |
CHECK FOR DTC* |
(a) Clear the DTCs.
Body Electrical > Smart Key > Clear DTCs(b) Check for DTCs.
Body Electrical > Smart Key > Trouble Codes
Result |
Proceed to |
---|---|
DTCs are not output |
A |
Smart key system (for Entry Function) DTCs are output |
B |
A | ![]() |
END |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
Toyota CH-R Service Manual > Power Steering System: Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
Click here
CHECK WARNING LIGHT
(a) When a problem occurs in the power steering system, the EPS warning light
in the combination meter assembly comes on to inform the driver of the problem.
*a
EPS Warning Light
...
Toyota CH-R Owners Manual > Steps to take in an emergency: If the electronic key does not operate properly (vehicles with a smart key system)
If communication between the electronic key and vehicle is interrupted
or the electronic key cannot be used because the battery is depleted, the smart
key system and wireless remote control cannot be used. In such cases, the doors
can be opened and the engine can be started by following the pr ...