Stop Light System: Inspection
WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT STOP LIGHT SWITCH CONTINUITY STOP LIGHT SWITCH CONTINUITY CHECK
Switch position Tester connection Specified condition Switch pin free (Pedal depressed) - No continuity Switch pin pushed in (Pedal released) 1 - 2 Continuity Switch pin free (Pedal depressed) - No continuity Switch pin pushed in (Pedal released) 3 - 4 Continuity If continuity is not as specified, replace the switch.
- INSPECT STOP LIGHT SWITCH CIRCUIT (See STOP LIGHT SWITCH CIRCUIT
).
Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TESTER CONNECTION SPECIFIED CONDITION (CONNECTOR DISCONNECTED)Tester connection Condition Specified condition 2 - Ground Constant Battery positive voltage If circuit is not as specified, inspect the power source or wire harness.
- INSPECT HI-MOUNTED STOP LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between terminals.
If continuity is not as specified, replace the light assembly or bulb.
- INSPECT HI-MOUNTED STOP LIGHT CIRCUIT
Disconnect the connector from the light and inspect the connector on the wire harness side, as shown.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TESTER CONNECTION SPECIFIED CONDITION (CONNECTOR DISCONNECTED)Tester connection Condition Specified condition 2 - Ground Constant Continuity If circuit is not as specified, inspect the power source or wire harness.
- INSPECT LIGHT FAILURE SENSOR (See LAMP FAILURE SENSOR CIRCUIT and INSPECTION ).