CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS CHECK |
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 ignition switch was ON, whether the engine has started |
How did it happen? |
Problem symptoms |
|
3. |
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. |
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 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
|
|
6. |
CHECK FOR DTC (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)* |
(a) Clear the DTCs.
Click here
(b) Recheck for DTCs.
Body Electrical > Master Switch > Trouble Codes
Result |
Proceed to |
---|---|
DTC B2312 is not output |
A |
DTC B2312 is output |
B |
B | ![]() |
GO TO POWER WINDOW 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 |
B | ![]() |
GO TO STEP 9 |
|
8. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
(c) Operation Check
Click here
(d) Inspection
|
9. |
REPAIR OR REPLACE |
|
10. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Smart Key System(for Entry Function): All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate
DESCRIPTION
If the entry lock and wireless door lock operations cannot be performed, the
electrical key and TPMS receiver assembly may be malfunctioning, or there may be
wave interference or problems in the communication which is used for the entry and
wireless function between the electrical ...
Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
(a) Whenever an automatic headlight beam level control system DTC is stored,
the headlight ECU sub-assembly LH stores the current vehicle state as freeze frame
data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition swi ...