Clock - On-Vehicle Inspection

Lexus IS250 IS220d GSE20 ALE20 - OTHER SYSTEM

CLOCK - ON-VEHICLE INSPECTION

1. INSPECT CLOCK ASSEMBLY (w/o Navigation System)
Clock - On-Vehicle Inspection. OTHER SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Disconnect the J54 connector.

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

Standard voltage:
Tester ConnectionConditionSpecified Condition
J54-4 (IG+) - Body groundEngine switch offBelow 1 V
Engine switch on (IG)10 to 14 V
J54-5 (ACC) - Body groundEngine switch offBelow 1 V
Engine switch on (IG)10 to 14 V
J54-14 (B) - Body groundAlways10 to 14 V

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

Standard resistance:
Tester ConnectionConditionSpecified Condition
J54-8 (E) - Body groundAlwaysBelow 1 Ω
  • HINT:
  • If the value is not as specified, repair or replace wire harness or connector.
2. INSPECT CLOCK ASSEMBLY (w/ Navigation System)
Clock - On-Vehicle Inspection. OTHER SYSTEM. Lexus IS250 IS220d GSE20 ALE20

Disconnect the J53 connector.

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

Standard voltage:
Tester ConnectionConditionSpecified Condition
J53-5 (ACC) - Body groundEngine switch offBelow 1 V
Engine switch on (IG)10 to 14 V
J53-6 (B) - Body groundAlways10 to 14 V
J53-11 (IG+) - Body groundEngine switch offBelow 1 V
Engine switch on (IG)10 to 14 V

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

Standard resistance:
Tester ConnectionConditionSpecified Condition
J53-2 (E) - Body groundAlwaysBelow 1 Ω
  • HINT:
  • If the value is not as specified, repair or replace wire harness or connector.