CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
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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 |
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3. | PRE-CHECK |
(a) Measure the auxiliary battery voltage with the power switch off.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
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4. | INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here
Result | Proceed to |
---|---|
CAN DTCs are not output | A |
CAN DTCs are output | B |
B | GO TO CAN COMMUNICATION SYSTEM |
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5. | CHECK FOR DTC* (SFI SYSTEM) |
(a) Check for DTCs.
Powertrain > Engine > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | GO TO SFI SYSTEM |
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6. | CHECK FOR DTC* (GRILLE SHUTTER SYSTEM) |
(a) Check for DTCs.
Body Electrical > Grille Shutter > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
B | GO TO DIAGNOSTIC TROUBLE CODE CHART |
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7. | PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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 |
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8. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
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9. | REPAIR OR REPLACE |
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10. | CHECK FOR DTC* (GRILLE SHUTTER SYSTEM) |
(a) Check for DTCs.
Body Electrical > Grille Shutter > Trouble Codes Result | Proceed to |
---|---|
DTCs are not output | A |
DTCs are output | B |
A | END |
B | GO TO DIAGNOSTIC TROUBLE CODE CHART |