| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000026YJF |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - 11/2022] |
| Title: LIGHTING (INT): LIGHTING SYSTEM (except TMMMS Made): Door Unlock Detection Switch Circuit; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 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
![2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function (Gasoline Model, except TMMMS Made)): REGISTRATION](/t3Portal/stylegraphics/info.gif)
for HV Model: Click here
- *: w/ Smart Key System
PROCEDURE
|
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
for Sedan without Unlock Detection Switch (for Rear Door Lock with Motor Assembly) |
A |
|
w/ Unlock Detection Switch (for Rear Door Lock with Motor Assembly) |
B |
| B |
|
|
|
2. |
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 |
- |
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 |
|---|---|
|
OK |
A |
|
NG ("FL Door Lock Position Switch Status" is not normal) |
B |
|
NG ("FR Door Lock Position Switch Status" is not normal) |
C |
| A |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| B |
|
| C |
|
|
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) |
C |
|
NG ("RL Door Lock Position Switch Status" is not normal) |
D |
|
NG ("RR Door Lock Position Switch Status" is not normal) |
E |
| A |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| C |
|
| D |
|
| E |
|
|
|
4. |
INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH |
(a) Inspect the front door lock with motor assembly LH.
Click here
| NG |
|
|
|
5. |
CHECK HARNESS AND CONNECTOR (FRONT 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 |
|---|---|---|
|
L4-8 (LSSR) - I85-9 (LSFL) |
Always |
Below 1 Ω |
|
L4-8 (LSSR) or I85-9 (LSFL) - Body ground |
Always |
10 kΩ or higher |
|
L4-10 (E) - Body ground |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
INSPECT FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH |
(a) Inspect the front door lock with motor assembly RH.
Click here
| NG |
|
|
|
7. |
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 |
|---|---|---|
|
K5-7 (LSSR) - I85-3 (LSFR) |
Always |
Below 1 Ω |
|
K5-7 (LSSR) or I85-3 (LSFR) - Body ground |
Always |
10 kΩ or higher |
|
K5-5 (E) - Body ground |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
8. |
INSPECT REAR DOOR LOCK WITH MOTOR ASSEMBLY LH |
(a) Inspect the rear door lock with motor assembly LH.
Click here
| NG |
|
|
|
9. |
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 |
Below 1 Ω |
|
N1-6 (LSSR) or I85-10 (LSWL) - Body ground |
Always |
10 kΩ or higher |
|
N1-9 (E) - Body ground |
Always |
Below 1 Ω |
| OK |
|
| 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
| NG |
|
|
|
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) |
Always |
Below 1 Ω |
|
M1-6 (LSSR) or I86-23 (LSWR) - Body ground |
Always |
10 kΩ or higher |
|
M1-9 (E) - Body ground |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|