Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

OK
OK
PROCEDURE
1. CHECK STOP LIGHT SWITCH OPERATION
(a) Check that the stop lights come on when the brake pedal is depressed and go off when the brake
pedal is released.
OK:
Stop light switch function is normal.
NG
GO TO STEP 10
2. CHECK HARNESS AND CONNECTOR (STP TERMINAL)
(a) Disconnect the skid control ECU (master cylinder solenoid)
connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
TESTER CONNECTION CONDITION SPECIFIED CONDITION
S1-7 (STP) - Body ground Brake pedal depressed 8 to 14 V
S1-7 (STP) - Body ground Brake pedal released Below 1.5 V
Text in Illustration
*a
Front view of wire harness connector
(to Skid Control ECU (Master Cylinder Solenoid))
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
(STP CIRCUIT)
cardiagn.com

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