The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.
w/ Entry and Start System:
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Back Door Lock Pos SW | Back door unlock detection switch signal | OFF or ON | OFF: Back door unlocked
ON: Back door locked |
- |
| FR Door Lock Pos | Front door RH unlock detection switch signal | UNLOCK or LOCK | UNLOCK: Front door RH unlocked
LOCK: Front door RH locked |
- |
| FL Door Lock Pos | Front door LH unlock detection switch signal | UNLOCK or LOCK | UNLOCK: Front door LH unlocked
LOCK: Front door LH locked |
- |
| RR-Door Lock Pos SW | Slide door RH unlock detection switch signal | OFF or ON | OFF: Slide door RH unlocked
ON: Slide door RH locked |
w/ Slide Door RH |
| RL-Door Lock Pos SW | Slide door LH unlock detection switch signal | OFF or ON | OFF: Slide door LH unlocked
ON: Slide door LH locked |
w/ Slide Door LH |
| Tester Display |
|---|
| Back Door Lock Pos SW |
| FR Door Lock Pos |
| FL Door Lock Pos |
| RR-Door Lock Pos SW |
| RL-Door Lock Pos SW |
Normal conditions listed above are displayed.
| Result | Proceed to |
|---|---|
| OK | A |
| NG ("FR Door Lock Pos" is abnormal) | B |
| NG ("FL Door Lock Pos" is abnormal) | C |
| NG ("RR-Door Lock Pos SW" is abnormal) (w/ Slide Door RH) | D |
| NG ("RL-Door Lock Pos SW" is abnormal) (w/ Slide Door LH) | E |
| NG ("Back Door Lock Pos SW" is abnormal) | F |
A
B
C
D
E
F
Remove the front door with motor lock assembly RH.
Inspect the front door with motor lock assembly RH.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the R4 front door with motor lock assembly RH connector.
Disconnect the 3B instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| R4-7 (LSSR) - 3B-12 | Always | Below 1 Ω |
| R4-8 (E) - Body ground | Always | Below 1 Ω |
| R4-7 (LSSR) or 3B-12 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the instrument panel junction block assembly.
| *a | Component without harness connected
(Instrument Panel Junction Block Assembly) |
- | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3B-12 - A-17 (LSFR) | Always | Below 1 Ω |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG (for LHD) | C |
| NG (for RHD) | D |
A
B
C
D
Remove the front door with motor lock assembly LH.
Inspect the front door with motor lock assembly LH.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the R14 front door with motor lock assembly LH connector.
Disconnect the 3B instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| R14-8 (LSSR) - 3B-13 | Always | Below 1 Ω |
| R14-7 (E) - Body ground | Always | Below 1 Ω |
| R14-8 (LSSR) or 3B-13 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the instrument panel junction block assembly.
| *a | Component without harness connected
(Instrument Panel Junction Block Assembly) |
- | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3B-13 - A-19 (LSFL) | Always | Below 1 Ω |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG (for LHD) | C |
| NG (for RHD) | D |
A
B
C
D
Remove the slide door lock remote control assembly RH.
Inspect the slide door lock remote control assembly RH.
| Result | Proceed to |
|---|---|
| OK (w/o Slide Door Control Junction RH) | A |
| OK (w/ Slide Door Control Junction RH) | B |
| NG (except Wagon) | C |
| NG (for Wagon) | D |
A
B
C
D
Disconnect the U1 slide door lock remote control assembly RH connector.
Disconnect the N18 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| U1-4 (LSSR) - N18-20 (LSWR) | Always | Below 1 Ω |
| U1-1 (E) - Body ground | Always | Below 1 Ω |
| U1-4 (LSSR) or N18-20 (LSWR) - Body ground | Always | 10 kΩ or higher |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
A
B
C
Remove the slide door control junction female.
Inspect the slide door control junction female.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the slide door control junction male.
Inspect the slide door control junction male.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the W13 slide door control junction male connector.
Disconnect the N18 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| W13-3 (LSSR) - N18-20 (LSWR) | Always | Below 1 Ω |
| W13-5 (E) - Body ground | Always | Below 1 Ω |
| W13-3 (LSSR) or N18-20 (LSWR) - Body ground | Always | 10 kΩ or higher |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
A
B
C
Remove the slide door lock remote control assembly LH.
Inspect the slide door lock remote control assembly LH.
| Result | Proceed to |
|---|---|
| OK (w/o Slide Door Control Junction LH) | A |
| OK (w/ Slide Door Control Junction LH) | B |
| NG (except Wagon) | C |
| NG (for Wagon) | D |
A
B
C
D
Disconnect the U5 slide door lock remote control assembly LH connector.
Disconnect the 3B instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| U5-4 (LSSR) - 3B-14 | Always | Below 1 Ω |
| U5-1 (E) - Body ground | Always | Below 1 Ω |
| U5-4 (LSSR) or 3B-14 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the instrument panel junction block assembly.
| *a | Component without harness connected
(Instrument Panel Junction Block Assembly) |
- | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3B-14 - A-5 (LSWL) | Always | Below 1 Ω |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG (for LHD) | C |
| NG (for RHD) | D |
A
B
C
D
Remove the slide door control junction female.
Inspect the slide door control junction female.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the slide door control junction male.
Inspect the slide door control junction male.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the V15 slide door control junction male connector.
Disconnect the 3B instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| V15-3 (LSSR) - 3B-14 | Always | Below 1 Ω |
| L4-5 (E) - Body ground | Always | Below 1 Ω |
| L4-3 (LSSR) or 3B-14 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the instrument panel junction block assembly.
| *a | Component without harness connected
(Instrument Panel Junction Block Assembly) |
- | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3B-14 - A-5 (LSWL) | Always | Below 1 Ω |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG (for LHD) | C |
| NG (for RHD) | D |
A
B
C
D
Remove the back door remote control assembly.
for Double Swing Out Type:
Inspect the back door remote control assembly.
for Double Swing Out Type:
| Result | Proceed to |
|---|---|
| OK | A |
| NG (except Wagon) | B |
| NG (for Wagon) | C |
| NG (for Double Swing Out Type) | D |
A
B
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C
D
*1: except Double Swing Out Type
*2: for Double Swing Out Type
Disconnect the i8*1 or h5*2 back door remote control assembly connector.
Disconnect the N19 main body ECU (multiplex network body ECU) connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| i8-1 (S) - N19-27 (LSWB) | Always | Below 1 Ω |
| i8-4 (E) - Body ground | Always | Below 1 Ω |
| i8-1 (S) or N19-27 (LSWB) - Body ground | Always | 10 kΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| h5-1 (S) - N19-27 (LSWB) | Always | Below 1 Ω |
| h5-4 (E) - Body ground | Always | Below 1 Ω |
| h5-1 (S) or N19-27 (LSWB) - Body ground | Always | 10 kΩ or higher |
| Result | Proceed to |
|---|---|
| OK (for LHD) | A |
| OK (for RHD) | B |
| NG | C |
A
B
C