Lexus ES manuals

Lexus ES: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • 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 Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Interview the customer to confirm the problem.

HINT:

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

NEXT

3.

ADJUST TIRE PRESSURE*

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

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

(f) Set all tire pressures to the specified value.

NOTICE:

Refer to the link as the procedure for adjusting the tire pressures differs depending on the temperature of the tires.

Click here

(g) Display "ID Tire Inflation Pressure" in the Data List and check that the tire pressure values match the adjusted pressure amount.

HINT:

It may take a few minutes until the values are displayed.

(h) Perform initialization.

Click here

HINT:

The tire pressure warning system illuminates the tire pressure warning light to warn the driver when any of the following condition is met:

  • The tire pressure drops to approximately 75% or less of the tire pressure set when system initialization was performed using the steering pad switch assembly.

Result

Proceed to

Tire pressure warning light remains on

A

Tire pressure warning light goes off

B

B

GO TO STEP 11

A

4.

CHECK ECU CONNECTED TO CAN BUS*

(a) Check the ECUs connected to the CAN bus.

Click here

Result

Proceed to

No malfunction appears

A

Malfunction appears

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK FOR DTC (CAN COMMUNICATION SYSTEM)*

(a) Check for DTCs.

Click here

Result

Proceed to

CAN system DTCs are not output

A

CAN system DTCs are output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

6.

CHECK FOR DTC*

(a) Check for DTCs.

Click here

Result

Proceed to

DTCs are output

A

DTCs are not output

B

B

GO TO STEP 8

A

7.

DTC CHART

(a) Refer to Diagnostic Trouble Code Chart.

Click here

NEXT

GO TO STEP 10

8.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

NEXT

9.

CIRCUIT INSPECTION*

(a) Refer to Electronic Circuit Inspection Procedure.

Click here

NEXT

10.

REPAIR OR REPLACE

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

NEXT

11.

CONFIRMATION TEST*

(a) Check the Data List to confirm that the tire inflation pressure has been received.

Click here

(b) Perform initialization.

Click here

(c) Confirm that the initialization has been completed.

NEXT

END

READ NEXT:

 Operation Check

OPERATION CHECK CHECK TIRE PRESSURE WARNING SYSTEM FUNCTION (a) Using the Data List, check that the current tire pressure is normal. Click here (1) Slowly reduce the tire pressure of the front or re

 Registration

REGISTRATION PROCEDURE 1. BEFORE REGISTRATION NOTICE: The transmitter ID is written on the tire pressure warning valve and transmitter. It is not possible to read the transmitter ID after installin

 Initialization

INITIALIZATION NOTICE: Initialization can be confirmed through the tire pressure warning light. If the engine switch is turned off during initialization, the tire pressure warning ECU and receive

SEE MORE:

 Drive Motor "A" Position Sensor Circuit "A" Circuit Open (P0C5013,P0C501F,P0C5A13,P0C5A1F)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following: Area Main Malfunction Description Inverter low-voltage circuit The connectors are not connected properly Hybrid Vehicle Trans

 Components

COMPONENTS ILLUSTRATION *1 LUGGAGE COMPARTMENT FLOOR MAT *2 SPARE WHEEL COVER TRAY ILLUSTRATION *1 REAR FLOOR FINISH PLATE *2 LUGGAGE HOLD BELT STRIKER ASSEMBLY ILLUSTRATION *1 LUGGAGE COMPARTMENT DOOR COVER *2 LUGGAGE LOCK CONTROL CABLE PLATE ILLUSTRATION

© 2016-2024 Copyright www.lexguide.net