LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2003 >> LX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Stop Light System >> Inspection

Stop Light System: Inspection

  1. INSPECT STOP LIGHT SWITCH CONTINUITY 
    SWITCH POSITION SPECIFICATION

    Switch position Tester connection Specified condition
    Switch pin free (Pedal depressed) 1 - 2 Continuity
    Switch pin pushed in (Pedal released) - No 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.

    Fig 1: Identifying Pushing Switch
    G03375464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT STOP LIGHT SWITCH CIRCUIT 

    Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.

    Fig 2: Inspecting Connector Wire Harness Side
    G03375465Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTION SPECIFICATION

    Tester connection Condition Specified condition
    2 - Ground Always Battery positive voltage

    If circuit is not as specified, inspect the power source or the wire harness.

  3. w/o REAR SPOILER: 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.

    Fig 3: Identifying Connector W/O Rear Spoiler
    G03375466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. w/o REAR SPOILER: INSPECT HI-MOUNTED STOP LIGHT CIRCUIT 

    Disconnect the connector from the light and inspect the connector on the wire harness side, as shown.

    Fig 4: Identifying Connector W/O Rear Spoiler Wire Harness Side
    G03375467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    SPECIFICATION CONNECTION

    Tester connection Condition Specified condition
    2 - Ground Always Continuity

    If circuit is not as specified, inspect the wire harness.

  5. w/ REAR SPOILER: 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.

    Fig 5: Identifying Connector W/ Rear Spoiler Connector Wire Harness Side (1 Of 2)
    G03375468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. w/ REAR SPOILER: INSPECT HI-MOUNTED STOP LIGHT CIRCUIT 

    Disconnect the connector from the light and inspect the connector on the wire harness side.

    Fig 6: Identifying Connector W/ Rear Spoiler Connector Wire Harness Side (2 Of 2)
    G03375469Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    SPECIFICATION CONNECTION

    Tester connection Condition Specified condition
    2 - Ground Always Continuity

    If circuit is not as specified, inspect the wire harness.