CAUTION / NOTICE / HINT
Techstream can be used in steps 3, 6, 9 and 12.
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
3. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA |
|
4. |
PROBLEM SYMPTOM CONFIRMATION |
|
5. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for output DTCs.
HINT:
The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.
Result |
Proceed to |
---|---|
CAN communication system DTC not output |
A |
CAN communication system DTC output |
B |
B | ![]() |
CAN COMMUNICATION SYSTEM |
|
6. |
CHECK CLEAR DTCS |
|
7. |
PROBLEM SYMPTOM SIMULATION |
Result |
Proceed to |
---|---|
Symptom does not occur |
A |
Symptom occurs |
B |
B | ![]() |
GO TO STEP 9 |
|
8. |
SYMPTOM SIMULATION |
|
9. |
CHECK DTCS (OTHER THAN CAN SYSTEM DTCS) |
Result |
Proceed to |
---|---|
DTC not output |
A |
DTC output |
B |
B | ![]() |
GO TO STEP 11 |
|
10. |
PROBLEM SYMPTOMS TABLE |
NEXT | ![]() |
GO TO STEP 12 |
11. |
DTC CHART |
|
12. |
CIRCUIT INSPECTION |
|
13. |
PROBLEM IDENTIFICATION |
|
14. |
REPAIR OR REPLACE |
|
15. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Air Conditioning System
DTC Code
Detection Item
Memory
See page
B1411/11
Room Temperature Sensor Circuit
Memorized
(4 seconds or more)
B1412/12
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
check ...
TC and CG Terminal Circuit
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
The DTCs are displayed by blinking the SRS warning light.
HINT:
Make sure that DTCs which relate to the CAN communication system are
not output. If any of these DTCs are output, check the CAN communicat ...