Lexus ES: Brake Hold Switch
Components
COMPONENTS
ILLUSTRATION
| *1 | BRAKE HOLD SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY) | *2 | REAR UPPER CONSOLE PANEL SUB-ASSEMBLY |
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE HOLD SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY)
| (a) Make sure that there is no looseness in the locking part and the connecting part of the connector. OK: The connector is securely connected. |
|
(b) Disconnect the brake hold switch (No. 2 combination switch assembly) connector.
(c) Check both the connector case and the terminal for deformation and corrosion.
OK:
No deformation or corrosion.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 4 (+B) - 2 (E) | Switch pushed | Below 1 Ω |
| 4 (+B) - 2 (E) | Switch not pushed | 10 kΩ or higher |
HINT:
If the result is not as specified, replace the brake hold switch (No. 2 combination switch assembly).
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR UPPER CONSOLE PANEL SUB-ASSEMBLY
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2. REMOVE BRAKE HOLD SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY)
| (a) Using a screwdriver with its tip wrapped with protective tape, disengage the 4 claws to remove the brake hold switch (No. 2 combination switch assembly) from the rear upper console panel sub-assembly. |
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Components
COMPONENTS ILLUSTRATION *1 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY - - ILLUSTRATION *1 BRAKE PEDAL STROKE SENSOR ASSEMBLY *2 BRAKE PEDAL SUPPORT ASSEMBLY N*m (kgf
Installation
INSTALLATION PROCEDURE 1. INSPECT AND ADJUST BRAKE PEDAL HEIGHT Click here 2. INSTALL BRAKE PEDAL STROKE SENSOR ASSEMBLY NOTICE:
Do not drop the brake pedal stroke sensor assembly.
If the brak
SEE MORE:
Air Bag Circuit (C147D)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) receives the secondary collision brake control request signal from the airbag ECU assembly. DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note C147D Air Bag Circuit 451
Under Hood
UNDER HOOD
GENERAL NOTES
Maintenance requirements vary depending on country.
Check the maintenance schedule in the owner's manual.
Following the maintenance schedule is mandatory.
Determine the appropriate time to service the vehicle using either miles
driven or time (mo
