Lexus IS250 IS220d GSE20 ALE20 - LIGHTING

TURN SIGNAL FLASHER ASSEMBLY - ON-VEHICLE INSPECTION

1. INSPECT TURN SIGNAL FLASHER ASSEMBLY
Turn Signal Flasher Assembly - On-Vehicle Inspection. LIGHTING. Lexus IS250 IS220d GSE20 ALE20

Disconnect the J30 connector.

Measure the voltage according to the value(s) in the table below (wire harness side connector).

  • Standard voltage:
  • Tester ConnectionConditionSpecified Condition
    J30-1 (IG) - Body groundEngine switch offBelow 1 V
    J30-1 (IG) - Body groundEngine switch on (IG)10 to 14 V
    J30-4 (B) - Body groundAlways10 to 14 V
    J30-7 (E) - Body groundAlwaysBelow 1 V

Reconnect the connector.

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

  • Standard voltage:
  • Tester ConnectionConditionSpecified Condition
    J30-2 (LR) - Body groundHazard warning switch OFFBelow 1 V
    J30-2 (LR) - Body groundHazard warning switch ON10 to 14 V (60 to 120 times per minute)
    J30-2 (LR) - Body groundEngine switch on (IG) and turn signal switch (right turn) OFFBelow 1 V
    J30-2 (LR) - Body groundEngine switch on (IG) and turn signal switch (right turn) ON10 to 14 V (60 to 120 times per minute)
    J30-3 (LL) - Body groundHazard warning switch OFFBelow 1 V
    J30-3 (LL) - Body groundHazard warning switch ON10 to 14 V (60 to 120 times per minute)
    J30-3 (LL) - Body groundEngine switch on (IG) and turn signal switch (left turn) OFFBelow 1 V
    J30-3 (LL) - Body groundEngine switch on (IG) and turn signal switch (left turn) ON10 to 14 V (60 to 120 times per minute)
    J30-5 (EL) - Body groundEngine switch on (IG) and turn signal switch (left turn) OFF10 to 14 V
    J30-5 (EL) - Body groundEngine switch on (IG) and turn signal switch (left turn) ONBelow 1 V
    J30-6 (ER) - Body groundEngine switch on (IG) and turn signal switch (right turn) OFF10 to 14 V
    J30-6 (ER) - Body groundEngine switch on (IG) and turn signal switch (right turn) ONBelow 1 V
    J30-8 (HAZ) - Body groundHazard warning switch OFF10 to 14 V
    J30-8 (HAZ) - Body groundHazard warning switch ONBelow 1 V

If the result is not as specified, replace the flasher assembly.