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 |
A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION
This DTC is stored when items controlled by the air conditioning amplifier assembly
cannot be customized via the audio and visual system vehicle customization screen.
HINT:
The air conditioning amplifier assembly controls the air conditioning ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever an ABS DTC is detected, the skid control ECU stores the current
vehicle (sensor) state as Freeze Frame Data.
(b) The skid control ECU stores the number of times (maximum: 31) the ignition
switch has be ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...