Lighting System On-Vehicle Inspection


  1. CHECK TURN SIGNAL FLASHER RELAY

Lighting System -- On-Vehicle Inspection



1. CHECK TURN SIGNAL FLASHER RELAY



Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Lighting.Lighting System.Lighting System  On-Vehicle Inspection

  1. Disconnect the T40 turn signal flasher relay connector.

  1. Measure the voltage and resistance according to the value(s) in the table below.

    Tester Connection
    Condition
    Specified Condition
    T40-1 (IG) - Body ground
    Ignition switch off
    Below 1 V
    T40-1 (IG) - Body ground
    Ignition switch ON
    11 to 14 V
    T40-4 (B) - Body ground
    Always
    11 to 14 V
    T40-7 (E) - Body ground
    Always
    Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.
  1. Reconnect the T40 turn signal flasher relay connector.

  1. Measure the voltage according to the value(s) in the table below.

    Tester Connection
    Condition
    Specified Condition
    T40-2 (LR) - Body ground
    Hazard warning switch off
    Below 1 V
    T40-2 (LR) - Body ground
    Hazard warning switch off
    11 to 14 V (60 to 120 times per minute)
    T40-2 (LR) - Body ground
    Ignition switch ON and turn signal switch (right turn) off
    Below 1 V
    T40-2 (LR) - Body ground
    Ignition switch ON and turn signal switch (right turn) ON
    11 to 14 V (60 to 120 times per minute)
    T40-3 (LL) - Body ground
    Hazard warning switch off
    Below 1 V
    T40-3 (LL) - Body ground
    Hazard warning switch on
    11 to 14 V (60 to 120 times per minute)
    T40-3 (LL) - Body ground
    Ignition switch ON and turn signal switch (left turn) off
    Below 1 V
    T40-3 (LL) - Body ground
    Ignition switch ON and turn signal switch (left turn) on
    11 to 14 V (60 to 120 times per minute)
    T40-5 (EL) - Body ground
    Ignition switch ON and turn signal switch (left turn) off
    11 to 14 V
    T40-5 (EL) - Body ground
    Ignition switch ON and turn signal switch (left turn) on
    Below 1 V
    T40-6 (ER) - Body ground
    Ignition switch ON and turn signal switch (right turn) off
    11 to 14 V
    T40-6 (ER) - Body ground
    Ignition switch ON and turn signal switch (right turn) on
    Below 1 V
    T40-8 (HAZ) - Body ground
    Hazard warning switch off
    11 to 14 V
    T40-8 (HAZ) - Body ground
    Hazard warning switch on
    Below 1 V
    If the result is not as specified, the turn signal flasher relay may have a malfunction.