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 |
Where |
Road conditions |
Under what conditions? |
Running conditions, driving conditions, weather conditions |
How did it happen? |
Problem symptoms |
|
3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the vehicle 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. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result |
Proceed to |
---|---|
ECU connected, communication line is normally. |
A |
ECU connected, communication line is malfunctioning. |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
5. |
INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM (LIN)* |
(a) Use the Techstream to check if the LIN communication system (LIN) is functioning
normally (See page ).
Result |
Proceed to |
---|---|
LIN DTC is not output. |
A |
LIN DTC is output. |
B |
B | ![]() |
GO TO LIN COMMUNICATION SYSTEM |
|
6. |
CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output.
(b) Clear the DTCs.
(c) Recheck for DTCs. Based on the DTCs output, try to cause the same steering lock system DTC, engine immobiliser system DTC, wireless door lock control system DTC or smart key system (for start function) DTC to be output by simulating the symptoms indicated by the DTCs.
Result |
Proceed to |
---|---|
DTC is not output. |
A |
Steering lock system DTC is output. |
B |
Engine immobiliser system DTC is output. |
C |
Wireless door lock control system DTC is output. |
D |
Smart key system (for start function) DTC is output. |
E |
B | ![]() |
GO TO STEERING LOCK SYSTEM |
C | ![]() |
GO TO ENGINE IMMOBILISER SYSTEM |
D | ![]() |
GO TO WIRELESS DOOR LOCK CONTROL SYSTEM |
E | ![]() |
GO TO SMART KEY SYSTEM (for Start Function) |
|
7. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
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) Operation Check (See page )
(b) Data List / Active Test (See page )
(c) Terminals of ECU (See page )
|
9. |
REPAIR OR REPLACEMENT |
|
10. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Operation Check
OPERATION CHECK
1. MALFUNCTION BUZZER
(a) Open circuit or frozen
(1) If an open circuit is detected between the ultrasonic sensors and the clearance
warning ECU assembly, if a sensor malfunction is detected or if a sensor is covered
with foreign matter, ...
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use an overhaul stand as necessary.
PROCEDURE
1. REMOVE REAR DIFFERENTIAL FILLER PLUG
(a) Remove the rear differential filler plug and gasket.
2. INSPECT ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...