Last Modified: 11-29-2007 1.6 D
Service Category: Suspension Section: Tire Pressure Monitoring
Model Year: 2008 Model: Sequoia Doc ID: RM000000XMQ02FX
Title: TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use these procedures to troubleshoot the tire pressure warning system.
  • *: Use the Techstream.

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the trouble.

HINT:

It is important to collect as much specific information as possible from the customer to allow for a quick repair.

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3.

ADJUST TIRE PRESSURE*

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON and turn the Techstream on.

(d) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

(e) Read the "ID Tire Inflation Pressure" values.

(f) Adjust all tire pressures to the standard values TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: PRECAUTION (2008 Sequoia) .

(g) Check the Data List TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: DATA LIST / ACTIVE TEST (2008 Sequoia) .

HINT:

  • It may take up about 5 to 6 minutes to display the updated tire pressure data.
  • If the problem is that the tire pressure decreases, wait until all of the tire pressure data is received by the ECU. If the data is received, the tire pressure warning light will turn off.

Result

Result

Proceed to

Tire pressure warning light remains on.

A

Tire pressure warning light goes off.

B
B

Go to step 9
A

4.

CHECK FOR DTC*

(a) Check for DTC TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

DTC is output

A

DTC is not output

B
B

Go to step 6
A

5.

DTC CHART

(a) Refer to Diagnostic Trouble Code Chart TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: DIAGNOSTIC TROUBLE CODE CHART (2008 Sequoia) .

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Go to step 8

6.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: PROBLEM SYMPTOMS TABLE (2008 Sequoia) .

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7.

CIRCUIT INSPECTION*

(a) Refer to Electronic Circuit Inspection Procedure INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE (2008 Sequoia) .

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8.

REPAIR OR REPLACE

(a) Repair or replace parts based on the diagnosis result.

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9.

CONFIRMATION TEST*

(a) Check the Data List to confirm that the tire inflation pressure data has been received TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: DATA LIST / ACTIVE TEST (2008 Sequoia) .

(b) Perform initialization TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: INITIALIZATION (2008 Sequoia) .

(c) Confirm that the initialization has been completed.

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END