CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
3. |
CONNECT TECHSTREAM TO DLC3* |
HINT:
If the display indicates a communication malfunction, inspect the DLC3.
When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
|
4. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check for DTCs.
Click here
Powertrain > Engine > Trouble Codes(b) Check for freeze frame data.
Click here
HINT:
Record or print DTCs and freeze frame data if necessary.
|
5. |
CLEAR DTC AND FREEZE FRAME DATA* |
(a) Clear the DTCs and freeze frame data.
Click here
Powertrain > Engine > Clear DTCs
|
6. |
CONDUCT VISUAL INSPECTION |
|
7. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Switch the ECM from normal mode to check mode.
Click here
Powertrain > Engine > Utility
Tester Display |
---|
Check Mode |
|
8. |
CONFIRM PROBLEM SYMPTOMS |
(a) Confirm problem symptoms.
HINT:
If the engine does not start, first perform the "Check DTC" procedure and "Conduct Basic Inspection" procedure below.
Result | Proceed to |
---|---|
Malfunction does not occur |
A |
Malfunction occurs |
B |
B | GO TO STEP 10 |
|
9. |
SIMULATE SYMPTOMS |
HINT:
Refer to Symptom Simulation.
Click here
|
10. |
CHECK DTC* |
(a) Check for DTCs.
Click here
Powertrain > Engine > Trouble Codes
Result | Proceed to |
---|---|
DTCs are output | A |
DTCs are not output | B |
B | GO TO STEP 12 |
|
11. |
REFER TO DTC CHART |
HINT:
Refer to Diagnostic Trouble Code Chart.
Click here
|
12. |
CONDUCT BASIC INSPECTION |
(a) Conduct basic inspection.
Click here
Result | Proceed to |
---|---|
Malfunctioning parts not confirmed |
A |
Malfunctioning parts confirmed |
B |
B | GO TO STEP 17 |
|
13. |
REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
Result | Proceed to |
---|---|
Malfunctioning circuit confirmed |
A |
Malfunctioning parts confirmed |
B |
B | GO TO STEP 17 |
|
14. |
CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
Click here
|
15. |
CONDUCT CIRCUIT INSPECTION |
Result | Proceed to |
---|---|
Malfunction not confirmed |
A |
Malfunction confirmed |
B |
B | GO TO STEP 18 |
|
16. |
CHECK FOR INTERMITTENT PROBLEMS |
(a) Check for intermittent problems.
Click here
|
17. |
CONDUCT PARTS INSPECTION |
|
18. |
IDENTIFY PROBLEM |
|
19. |
ADJUST AND/OR REPAIR |
|
20. |
CONDUCT CONFIRMATION TEST |
NEXT | END |