Power Door Lock Control System - Door Opening Relay Power Source Circuit

Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK WIRE HARNESS (DOUBLE DOOR LOCK ECU - BATTERY AND BODY GROUND)

POWER DOOR LOCK CONTROL SYSTEM - Door Opening Relay Power Source Circuit

DESCRIPTION

This circuit supplies power to operate the double door lock ECU (door opening relay).


WIRING DIAGRAM

Power Door Lock Control System - Door Opening Relay Power Source Circuit. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20

INSPECTION PROCEDURE

1.CHECK WIRE HARNESS (DOUBLE DOOR LOCK ECU - BATTERY AND BODY GROUND)
Power Door Lock Control System - Door Opening Relay Power Source Circuit. DOOR LOCK. Lexus IS250 IS220d GSE20 ALE20

Disconnect the double door lock ECU (door opening relay) connector.

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

  • Standard resistance:
  • Tester Connection
    (Symbols)    		ConditionSpecified Condition
    P34-14 (GND) - Body groundAlwaysBelow 1 Ω

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

  • Standard voltage:
  • Tester Connection
    (Symbols)    		ConditionSpecified Condition
    P34-1 (+B) - Body groundAlways10 to 14 V
    P34-7 (CPUB) - Body groundAlways10 to 14 V
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE