CAUTION / NOTICE / HINT
HINT:
- Use this procedure to troubleshoot the theft deterrent system.
- *: Use the Techstream.
PROCEDURE |
1. | VEHICLE BROUGHT TO WORKSHOP |
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| 2. |
CUSTOMER PROBLEM ANALYSIS CHECK |
HINT:
- In troubleshooting, confirm that the problem symptoms have been
accurately identified. Preconceptions should be discarded in order to
make an accurate judgment. To clearly understand what the problem
symptoms are, it is extremely important to ask the customer about the
problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
- The following 5 items are important points for problem analysis:
| 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 (IG), whether the engine has started. | |
How did it happen? | Problem symptoms |
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| 3. |
READ AND SAVE OPERATION HISTORY |
NOTICE:
- If the vehicle or vehicle controls are operated (for example, during
initial inspection when the vehicle is brought in for repair) before
operation history has been read and saved, the operation history
information could be lost.
- The operation history function uses the current system time of the
Techstream and the time counter inside the controlling ECU to calculate
the times shown in the operation history. For this reason, before
reading the operation history, first make sure that the Techstream
system clock is accurately set to the current time.
(a) Read and save operation history using the Techstream. Click here
 Body Electrical > Main Body > Utility
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Tester Display | | Operation History |
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(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.
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| 6. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs. Click here
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Result | Proceed to | |
CAN DTCs are not output |
A | | CAN DTCs are output |
B |
| B |
 | GO TO CAN COMMUNICATION SYSTEM |
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A | |
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| 7. |
CHECK POWER DOOR LOCK CONTROL SYSTEM | (a) Check the power door lock control system.
Click here OK: Power door lock control system is normal
| NG |
| GO TO POWER DOOR LOCK CONTROL SYSTEM |
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OK | |
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| 8. |
CHECK WIRELESS DOOR LOCK CONTROL SYSTEM |
(a) Check the wireless door lock control system. Click here
OK: Wireless door lock control system is normal
| NG |
| GO TO WIRELESS DOOR LOCK CONTROL SYSTEM |
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OK | |
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| 9. |
CHECK SMART KEY SYSTEM (for Entry Function) |
(a) Check the smart key system (for Entry Function). Click here
OK: Smart key system (for Entry Function) is normal
| NG |
| GO TO SMART KEY SYSTEM (for Entry Function) |
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OK | |
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| 10. |
CHECK SMART KEY SYSTEM (for Start Function) |
(a) Check the smart key system (for Start Function). Click here
OK: Smart key system (for Start Function) is normal
| NG |
| GO TO SMART KEY SYSTEM (for Start Function) |
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OK | |
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| 11. |
CHECK LIGHTING SYSTEM (EXT) | (a) Check the lighting system (EXT).
w/ Cornering Light: Click here w/o Cornering Light: Click here
OK: Lighting system (EXT) is normal
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Result | Proceed to | |
OK | A | |
NG (w/ Cornering Light) |
B | | NG (w/o Cornering Light) |
C |
| B |
| GO TO LIGHTING SYSTEM (EXT) |
| C |
| GO TO LIGHTING SYSTEM (EXT) |
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A | |
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| 12. |
CHECK LIGHTING SYSTEM (INT) | (a) Check the lighting system (INT).
Click here OK: Lighting system (INT) is normal
| NG |
| GO TO LIGHTING SYSTEM (INT) |
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OK | |
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| 13. |
CHECK LUGGAGE COMPARTMENT DOOR OPENER SYSTEM |
(a) Check the luggage compartment door opener system. Click here
OK: Luggage compartment door opener system is normal
| NG |
| GO TO LUGGAGE COMPARTMENT DOOR OPENER SYSTEM |
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OK | |
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(a) Check the horn system.
OK: Horn system is normal
| NG | | GO TO HORN SYSTEM |
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OK | |
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| 15. |
PROBLEM SYMPTOMS TABLE | (a) Refer to Problem Symptoms Table.
Click here
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Result | Proceed to | |
Fault is not listed in Problem Symptoms Table (Fault can be simulated) |
A | | Fault is not listed in Problem Symptoms Table (Fault cannot be simulated) |
B | | Fault is listed in Problem Symptoms Table |
C |
| B |
| CHECK FOR INTERMITTENT PROBLEMS |
| C |
| GO TO STEP 17 |
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A | |
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| 16. |
PERFORM OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) System Description Click here
(b) Terminals of ECU Click here
(c) Data List / Active Test Click here
(d) Inspection
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| END | | 
