NG -- INSPECT STOP LIGHT CIRCUIT See: Lighting and Horns/Testing and Inspection/Symptom Related Diagnostic
Procedures/Exterior Lighting System
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Select the Data List on the Techstream See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Data List / Active Test.
ABS/VSC/TRAC
(d) Check that the stop light switch condition observed on the Techstream changes according to brake pedal operation.
OK:
The Techstream displays ON or OFF according to brake pedal operation.
NG -- INSPECT SKID CONTROL ECU (STP1 TERMINAL)
OK -- Continue to next step.
3. PERFORM ACTIVE TEST USING TECHSTREAM (STOP LIGHT CONTROL RELAY)
(a) Select the Data List on the Techstream See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Data List / Active Test.
ABS/VSC/TRAC
(b) Select the Active Test on the Techstream See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Data List / Active Test.
ABS/VSC/TRAC
(c) Perform the Active Test of the stop light control relay using the Techstream.
(d) Check for stop light control relay operation using Data List and stop light operation by performing an Active Test.
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