PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
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2. | CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK |
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3. | INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the battery voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
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4. | CHECK CAN COMMUNICATION SYSTEM |
(a) Check if the CAN communication system is functioning normally.
Click here
Result | Proceed to |
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CAN communication system DTCs are not output. | A |
CAN communication system DTCs are output. | B |
B | GO TO CAN COMMUNICATION SYSTEM |
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5. | CHECK FOR DTC |
(a) Check for DTCs and note any codes that are output.
Body Electrical > Active Noise Control > Trouble Codes(b) Clear the DTCs.
Body Electrical > Active Noise Control > Clear DTCs(c) Recheck for DTCs. Try to reproduce the active noise control system DTCs by duplicating the conditions indicated by the DTCs.
Body Electrical > Active Noise Control > Trouble Codes Result | Proceed to |
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DTCs are not output (Problem symptom occurs) | A |
DTCs are output | B |
DTCs are not output (Problem symptom does not occur) | C |
B | GO TO DIAGNOSTIC TROUBLE CODE CHART |
C | USE SIMULATION METHOD TO CHECK |
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6. | PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
Result | Proceed to |
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Fault is not listed in Problem Symptoms Table. | A |
Fault is listed in Problem Symptoms Table. | B |
B | PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM |
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7. | OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
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8. | ADJUST, REPAIR OR REPLACE |
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9. | CONFIRMATION TEST |
NEXT | END |