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 
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Result | Proceed to | |
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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A | |
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(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
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Result | Proceed to | |
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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A | |
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| 6. |
PROBLEM SYMPTOMS TABLE | HINT: Refer to Problem Symptoms Table.
Click here
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Result | Proceed to | |
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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A | |
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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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| END | | 
