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? |
Driving conditions, weather conditions |
How did it happen? |
Problem symptoms |
|
3. |
INSPECT BATTERY VOLTAGE |
(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. |
ENGINE SWITCH ON (IG) |
|
5. |
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 is connected, communication is normal |
A |
ECU is connected, communication is malfunctioning |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
6. |
INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the LIN communication system is functioning normally.
Result |
Proceed to |
---|---|
No DTC is output |
A |
DTC is output |
B |
B | ![]() |
GO TO LIN COMMUNICATION SYSTEM |
|
7. |
CHECK FOR DTCS (SMART KEY SYSTEM)* |
(a) Check for DTCs and note any codes that are output.
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs. Based on the DTCs output above, try to duplicate the engine immobiliser system DTC or steering lock system DTC by simulating the symptoms indicated by the DTCs.
Result |
Proceed to |
---|---|
No DTCs are output |
A |
Steering lock system DTC is output (DTC B2781, B2782 or B2788) |
B |
Engine immobiliser system DTC is output (except DTC B2781, B2782 and B2788) |
C |
B | ![]() |
GO TO STEERING LOCK SYSTEM |
C | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
8. |
CHECK FOR DTCS (SFI SYSTEM)* |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs.
HINT:
The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the SFI system.
Result |
Proceed to |
---|---|
No DTCs are output |
A |
Engine immobiliser system DTC is output (DTC B2799, B279A or B279C) |
B |
SFI system DTC is output (except DTC B2799, B279A and B279C) (for 2GR-FE) |
C |
SFI system DTC is output (except DTC B2799, B279A and B279C) (for 1AR-FE) |
D |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
C | ![]() |
GO TO SFI SYSTEM |
D | ![]() |
GO TO SFI SYSTEM |
|
9. |
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 11 |
|
10. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test (See page )
(b) Terminals of ECU (See page )
|
11. |
REPAIR OR REPLACE |
|
12. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
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 ...
Master Cylinder Pressure Sensor Malfunction (C1246/46,C1281/81)
DESCRIPTION
Master cylinder pressure sensor is connected to the skid control ECU in the brake
actuator assembly.
DTC C1281/81 will be cleared when the master cylinder pressure sensor sends a
master cylinder pressure signal or when Test Mode ends. DTC C12 ...
Short in GPS Antenna (B15C0,B15C1)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation antenna assembly.
DTC No.
DTC Detection Condition
Trouble Area
B15C0
Navigation antenna malfunction
...