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 |
Central Gateway ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Central Gateway ECU Communication Stop Mode
Communication system DTCs (DTCs that start with U) that correspond to
"Central Gateway ECU Communication Stop Mode" in "DTC Com ...
Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION
This DTC is stored when a malfunction in the IG circuit or IG hold circuit in
the certification ECU (smart key ECU assembly) is detected.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal,
the power source mode returns to the state it was in ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY
(a) Check the blower switch resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
...