Navigation System - Multi-Display Power Source Circuit

Lexus IS250 IS220d GSE20 ALE20 - NAVIGATION

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT MULTI-DISPLAY

NAVIGATION SYSTEM - Multi-display Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the multi-display.


WIRING DIAGRAM

Navigation System - Multi-Display Power Source Circuit. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

INSPECTION PROCEDURE

1.INSPECT MULTI-DISPLAY
Navigation System - Multi-Display Power Source Circuit. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Disconnect the multi-display connector J50.

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

  • Standard resistance:
  • Tester connectionConditionSpecified condition
    GND1 - Body groundAlwaysBelow 1 Ω

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

  • Standard voltage:
  • Tester connectionConditionSpecified condition
    +B1 - GND1Always10 to 14 V
    ACC - GND1Engine switch on (ACC)10 to 14 V
    IG - GND1Engine switch on (IG)10 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE