Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028DBI |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: LIGHTING (INT): LIGHTING SYSTEM: Door Unlock Detection Switch Circuit; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ] |
Door Unlock Detection Switch Circuit
|
DESCRIPTION
The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*
for Gasoline Model: Click here
for HV Model: Click here
PROCEDURE
(a) Choose the model to be inspected.
Result
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Proceed to
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for Sedan without Unlock Detection Switch (for Rear Door Lock with Motor Assembly)
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A
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w/ Unlock Detection Switch (for Rear Door Lock with Motor Assembly)
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B
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A
|
|
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2.
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READ VALUE USING TECHSTREAM
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(a) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List
Tester Display
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
|
FR Door Lock Position Switch Status
|
Front door RH unlock detection switch signal
|
Lock or Unlock
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Lock: Front door RH locked
Unlock: Front door RH unlocked
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-
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FL Door Lock Position Switch Status
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Front door LH unlock detection switch signal
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Lock or Unlock
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Lock: Front door LH locked
Unlock: Front door LH unlocked
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-
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Body Electrical > Main Body > Data List
Tester Display
|
FR Door Lock Position Switch Status
|
FL Door Lock Position Switch Status
|
OK:
Normal conditions listed above are displayed.
Result
|
Proceed to
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OK
|
A
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NG ("FL Door Lock Position Switch Status" is not normal)
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B
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NG ("FR Door Lock Position Switch Status" is not normal)
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C
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3.
|
READ VALUE USING TECHSTREAM
|
(a) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
FR Door Lock Position Switch Status
|
Front door RH unlock detection switch signal
|
Lock or Unlock
|
Lock: Front door RH locked
Unlock: Front door RH unlocked
|
-
|
FL Door Lock Position Switch Status
|
Front door LH unlock detection switch signal
|
Lock or Unlock
|
Lock: Front door LH locked
Unlock: Front door LH unlocked
|
-
|
RR Door Lock Position Switch Status
|
Rear door RH unlock detection switch signal
|
Lock or Unlock
|
Lock: Rear door RH locked
Unlock: Rear door RH unlocked
|
-
|
RL Door Lock Position Switch Status
|
Rear door LH unlock detection switch signal
|
Lock or Unlock
|
Lock: Rear door LH locked
Unlock: Rear door LH unlocked
|
-
|
Body Electrical > Main Body > Data List
Tester Display
|
FR Door Lock Position Switch Status
|
FL Door Lock Position Switch Status
|
RR Door Lock Position Switch Status
|
RL Door Lock Position Switch Status
|
OK:
Normal conditions listed above are displayed.
Result
|
Proceed to
|
OK
|
A
|
NG ("FL Door Lock Position Switch Status" is not normal)
|
B
|
NG ("FR Door Lock Position Switch Status" is not normal)
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C
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NG ("RL Door Lock Position Switch Status" is not normal)
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D
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NG ("RR Door Lock Position Switch Status" is not normal)
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E
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B
|
|
|
4.
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INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH
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(a) Inspect the front door lock with motor assembly LH.
Click here
OK
|
|
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5.
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CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
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(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
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Specified Condition
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L4-8 (LSSR) - I85-9 (LSFL)
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Always
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Below 1 Ω
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L4-8 (LSSR) or I85-9 (LSFL) - Body ground
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Always
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10 kΩ or higher
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L4-10 (E) - Body ground
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Always
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Below 1 Ω
|
NG |
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REPAIR OR REPLACE HARNESS OR CONNECTOR
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6.
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INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH
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(a) Inspect the front door lock with motor assembly RH.
Click here
OK
|
|
|
7.
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CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
|
(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
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K5-7 (LSSR) - I85-3 (LSFR)
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Always
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Below 1 Ω
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K5-7 (LSSR) or I85-3 (LSFR) - Body ground
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Always
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10 kΩ or higher
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K5-5 (E) - Body ground
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Always
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Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
8.
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INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY LH
|
(a) Inspect the rear door lock with motor assembly LH.
Click here
OK
|
|
|
9.
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CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK WITH MOTOR ASSEMBLY LH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
|
(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
N1-6 (LSSR) - I85-10 (LSWL)
|
Always
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Below 1 Ω
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N1-6 (LSSR) or I85-10 (LSWL) - Body ground
|
Always
|
10 kΩ or higher
|
N1-9 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
10.
|
INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY RH
|
(a) Inspect the rear door lock with motor assembly RH.
Click here
OK
|
|
|
11.
|
CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK WITH MOTOR ASSEMBLY RH - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND BODY GROUND)
|
(a) Disconnect the I85 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
M1-6 (LSSR) - I86-23 (LSWR)
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Always
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Below 1 Ω
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M1-6 (LSSR) or I86-23 (LSWR) - Body ground
|
Always
|
10 kΩ or higher
|
M1-9 (E) - Body ground
|
Always
|
Below 1 Ω
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|