CAUTION / NOTICE / HINT
Tech Tips
Use the following procedure to troubleshoot the tire pressure warning system.
Make sure that the wireless door lock control system has exited diagnostic mode before performing the following procedure.
*: Use the GTS.
PROCEDURE
VEHICLE BROUGHT TO WORKSHOP
| Result | ||
|---|---|---|
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| NEXT |
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CUSTOMER PROBLEM ANALYSIS
Interview the customer to confirm the problem.
Tech Tips
It is important to collect as much specific information as possible from the customer to allow for a quick repair.
| Result | ||||||
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| B |
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CHECK TEST MODE DTC Click here |
| A |
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ADJUST TIRE PRESSURE*
Turn the power switch off.
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
Set the all tire pressure to the specified value.
Note
Make sure the tires are cool when adjusting the tire pressure.
Display "ID Tire Inflation Pressure" in the Data List and check that the tire pressure values match the adjusted pressure amount.
Tech Tips
It may take a few minutes until the values are displayed.
Perform initialization.
Tech Tips
for ECE-R64 Type:
The warning threshold value changes depending on the driving conditions during initialization. As a result, the tire pressure warning light may not turn off even if the tire pressure is adjusted to the specified pressure.
| Result | ||||||
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| B |
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END |
| A |
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CHECK ECU CONNECTED TO CAN BUS*
Check the ECUs connected to the CAN bus.
| Result | ||||||
|---|---|---|---|---|---|---|
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| B |
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GO TO CAN COMMUNICATION SYSTEM Click here |
| A |
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CHECK FOR DTC (CAN COMMUNICATION SYSTEM)*
Check for DTCs.
| Result | ||||||
|---|---|---|---|---|---|---|
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| B |
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GO TO CAN COMMUNICATION SYSTEM Click here |
| A |
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CHECK FOR DTC*
Check for DTCs.
| Result | ||||||
|---|---|---|---|---|---|---|
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| B |
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PROBLEM SYMPTOMS TABLE Click here |
| A |
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DTC CHART
Refer to Diagnostic Trouble Code Chart.
| Result | ||
|---|---|---|
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| NEXT |
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GO TO STEP 10 Click here |
PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table.
| Result | ||
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| NEXT |
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CIRCUIT INSPECTION*
Refer to Electronic Circuit Inspection Procedure.
| Result | ||
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| NEXT |
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REPAIR OR REPLACE
Repair or replace parts based on the diagnosis result.
| Result | ||
|---|---|---|
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| NEXT |
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CONFIRMATION TEST*
Check the Data List to confirm that the tire inflation pressure has been received.
Perform initialization.
Confirm that the initialization has been completed.
| Result | ||
|---|---|---|
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| NEXT |
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END |
CHECK TEST MODE DTC
w/ Tire Inflation Pressure Display Function:
Perform troubleshooting for Test Mode DTC C2197/97.
| Result | ||
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| NEXT |
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END |