DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU LH - LUGGAGE COMPARTMENT OPENER SWITCH)
INSPECT LUGGAGE COMPARTMENT OPENER SWITCH
ENTRY AND START SYSTEM - Luggage Compartment Door Open Switch Circuit
DESCRIPTION
If the certification ECU detects that the luggage compartment open switch is pressed when the driver is carrying the electrical key or when the electrical key is locked in the luggage compartment door, the certification ECU sends a luggage compartment door open motor drive request signal to the main body ECU LH.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU LH - LUGGAGE COMPARTMENT OPENER SWITCH) |
Disconnect the Q3 ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
| Tester Connection (Symbols) | Condition | Specified Condition |
| LPSW (Q3-13) - Body ground | Luggage compartment open switch not pushed | 10 kΩ or higher |
| Luggage compartment open switch pushed | Below 1 Ω |
| | PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
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| 2.INSPECT LUGGAGE COMPARTMENT OPENER SWITCH |
Disconnect the switch connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
| Tester connection | Condition | Specified condition |
| Q45-1 - Q45-2 | Luggage compartment open switch not pushed (OFF) | 10 kΩ or higher |
| Luggage compartment open switch pushed (ON) | Below 1 Ω |
| | REPLACE LUGGAGE COMPARTMENT OPENER SWITCH |
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LEXUS IS250, IS220d / GSE20 ALE20
