Lexus ES: Electric Parking Brake Switch
Components
COMPONENTS
ILLUSTRATION
*1 | ELECTRIC PARKING BRAKE SWITCH ASSEMBLY | *2 | LOWER INSTRUMENT PANEL |
*3 | INSTRUMENT PANEL FINISH PANEL END | - | - |
Inspection
INSPECTION
PROCEDURE
1. INSPECT ELECTRIC PARKING BRAKE SWITCH ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection | Condition | Specified Condition | 7 (SWI1) - 8 (SWO1) | OFF (Release) | 100 kΩ or higher | ON (Lock) | 10 Ω or less | Switch not operated | 100 kΩ or higher | 7 (SWI1) - 1 (SWI2) | OFF (Release) | 10 Ω or less | ON (Lock) | 10 Ω or less | Switch not operated | 100 kΩ or higher | 7 (SWI1) - 2 (SWO2) | OFF (Release) | 10 Ω or less | ON (Lock) | 100 kΩ or higher | Switch not operated | 10 Ω or less | 1 (SWI2) - 8 (SWO1) | OFF (Release) | 100 kΩ or higher | ON (Lock) | 10 Ω or less | Switch not operated | 10 Ω or less | 1 (SWI2) - 2 (SWO2) | OFF (Release) | 10 Ω or less | ON (Lock) | 100 kΩ or higher | Switch not operated | 100 kΩ or higher | If the result is not as specified, replace the electric parking brake switch assembly. | | *a | Component without harness connected (Electric Parking Brake Switch Assembly) | *b | Pulled (Release) | *c | Pushed (Lock) | *d | Neutral | | |
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
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2. REMOVE INSTRUMENT PANEL FINISH PANEL END
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3. REMOVE LOWER INSTRUMENT PANEL
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4. REMOVE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY
(a) Remove the 2 screws and electric parking brake switch assembly. | |
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DESCRIPTION This procedure is for troubleshooting when the brake warning light (yellow) remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the brake warning lig
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13B800 Electric Parking Brake Actuator
Diagnosis Condition:
Electric parking brake operatin
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