DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK DTC OUTPUT (MULTIPLEX COMMUNICATION SYSTEM)
PERFORM ACTIVE TEST BY LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY
INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY
CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK - MAIN BODY ECU RH)
READ VALUE OF INTELLIGENT TESTER
INSPECT LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH
CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER MAIN SW - MAIN BODY ECU RH)
INSPECT LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH
CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER INNER SW - MAIN BODY ECU RH)
LUGGAGE COMPARTMENT DOOR OPENER SYSTEM - Luggage Compartment Door Opener Circuit
DESCRIPTION
When the main body ECU RH has received the OFF signal from the luggage compartment opener main switch , the main body ECU RH activates the luggage compartment door lock motor when the ON signal from the luggage compartment door opener inner switch is received.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK DTC OUTPUT (MULTIPLEX COMMUNICATION SYSTEM) |
Check for DTC.
- OK:
- DTC B1200 is not output.
| 3.INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY |
Remove the luggage compartment door lock assembly.
Move the door lock to the lock position.
Apply battery voltage to the door lock motor and check operation of the door lock motor.
OK:| Measurement Condition | Specified Condition |
Battery positive (+) → Terminal 1
Battery positive (-) → Terminal 2 | Luggage compartment door lock motor unlock |
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| | REPLACE COWL SIDE JUNCTION BLOCK RH (MAIN BODY ECU RH) |
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| 6.INSPECT LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH |
Remove the luggage compartment door opener main switch.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
| Tester Connection | Condition | Specified Condition |
| 1 - 2 | Switch free (OFF) | 10 kΩ or higher |
| Switch pushed (ON) | Below 1 Ω |
| | REPLACE LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH |
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| 7.CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER MAIN SW - MAIN BODY ECU RH) |
Install the luggage compartment door opener main switch.
Disconnect the J57 switch and J75 ECU connectors.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
| Tester Connection | Condition | Specified Condition |
| J57-2 - J75-2 (TSW) | Always | Below 1 Ω |
| J57-2 - Body ground | Always | 10 kΩ or higher |
| J57-1 - Body ground | Always | Below 1 Ω |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| OK | |
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| REPLACE COWL SIDE JUNCTION BLOCK RH (MAIN BODY ECU RH) |
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| 8.INSPECT LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH |
Remove the luggage compartment door opener inner switch.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
| Tester Connection | Condition | Specified Condition |
| 4 - 5 | Switch free (OFF) | 10 kΩ or higher |
| Switch pushed (ON) | Below 1 Ω |
| | REPLACE LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH |
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| 9.CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER INNER SW - MAIN BODY ECU RH) |
Install the luggage compartment door opener switch.
Disconnect the J14 switch and J75 ECU connectors.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
| Tester Connection | Condition | Specified Condition |
| J14-5 - J75-3 (TKUL) | Always | Below 1 Ω |
| J14-5 - Body ground | Always | 10 kΩ or higher |
| J14-4 - Body ground | Always | Below 1 Ω |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| OK | |
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| REPLACE COWL SIDE JUNCTION BLOCK RH (MAIN BODY ECU RH) |
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LEXUS IS250, IS220d / GSE20 ALE20
