| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM10000000134PJ |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [03/2017 - 08/2018] |
| Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: TERMINALS OF ECU; 2018 MY Camry [03/2017 - 08/2018] | ||
TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Click here
![2018 MY Camry [03/2017 - 06/2017]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL](/t3Portal/stylegraphics/info.gif)
(b) Reconnect the instrument panel junction block assembly connectors.
(c) Measure the voltage and resistance according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Input/Output |
Terminal Description |
Condition |
Specified Condition |
Related Data List Item |
|---|---|---|---|---|---|---|
|
MB-11 (GND1) - Body ground |
- |
- |
Ground |
Always |
Below 1 Ω |
- |
|
MB-30 (ACC) - Body ground |
- |
Input |
ACC power supply |
Ignition switch ACC |
11 to 14 V |
ACC SW |
|
Ignition switch off |
Below 1 V |
|||||
|
MB-31 (BECU) - Body ground |
- |
Input |
Battery power supply |
Always |
11 to 14 V |
- |
|
MB-32 (IG) - Body ground |
- |
Input |
IG power supply |
Ignition switch ON |
11 to 14 V |
IG SW |
|
Ignition switch off |
Below 1 V |
(d) Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
Click here
(e) Measure the voltage and check for pulses according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Input/Output |
Terminal Description |
Condition |
Specified Condition |
Related Data List Item |
|---|---|---|---|---|---|---|
|
K52-1 (FLCY) - Body ground |
W- Body ground |
Input |
Front door courtesy light switch (for LH) input |
Front door LH open → closed |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
FL Door Courtesy SW |
|
K52-6 (FRCY) - Body ground |
BE - Body ground |
Input |
Front door courtesy light switch (for RH) input |
Front door RH open → closed |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
FR Door Courtesy SW |
|
3D-24 (LCTY) - Body ground |
G - Body ground |
Input |
Rear door courtesy light switch (for LH) input |
Rear door LH open → closed |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
RL Door Courtesy SW |
|
3A-31 (RCTY) - Body ground |
V - Body ground |
Input |
Rear door courtesy light switch (for RH) input |
Rear door RH open → closed |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
RR Door Courtesy SW |
|
3B-13 (LSFL) - Body ground |
W - Body ground |
Input |
Front door LH unlock detection switch input |
Front door LH unlocked → locked |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
FL Door Lock Pos SW |
|
3B-12 (LSFR) - Body ground |
GR - Body ground |
Input |
Front door RH unlock detection switch input |
Front door RH unlocked → locked |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
FR Door Lock Pos SW |
|
3B-14 (LSWL) - Body ground |
GR - Body ground |
Input |
Rear door LH unlock detection switch input |
Rear door LH unlocked → locked |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
RL-Door Lock Pos SW |
|
K51-20 (LSWR) - Body ground |
L - Body ground |
Input |
Rear door RH unlock detection switch input |
Rear door RH unlocked → locked |
Below 1 V → 11 to 14 V or pulse output (maximum 14 V)*2 |
RR-Door Lock Pos SW |
|
3D-8 (ACT-) - Body ground |
LA-R - Body ground |
Output |
Door lock motor unlock drive output |
Door control switch or driver door key cylinder off → on (unlock) |
Below 1 V → 11 to 14 V → Below 1 V |
- |
|
3D-9 (ACT-) - Body ground |
R - Body ground |
Output |
Door lock motor unlock drive output |
Door control switch or driver door key cylinder off → on (unlock) |
Below 1 V → 11 to 14 V → Below 1 V |
- |
|
3D-6 (ACT+) - Body ground |
LA-B - Body ground |
Output |
Door lock motor lock drive output |
Door control switch or driver door key cylinder off → on (lock) |
Below 1 V → 11 to 14 V → Below 1 V |
- |
|
3D-18 (ACT+) - Body ground |
LA-B - Body ground |
Output |
Door lock motor lock drive output |
Door control switch or driver door key cylinder off → on (lock) |
Below 1 V → 11 to 14 V → Below 1 V |
- |
|
3B-4 (ACTD) - Body ground |
LA-L - Body ground |
Output |
Door lock motor unlock drive output |
Door control switch or driver door key cylinder off → on (unlock) |
Below 1 V → 11 to 14 V → Below 1 V |
- |
|
3B-16 (L1) - Body ground |
LG - Body ground |
Output |
Door control switch assembly input |
Door control switch assembly off → on (lock) |
Pulse generation → Below 1 V |
Door Lock SW-Lock |
|
3A-39 (UL1) - Body ground |
GR - Body ground |
Input |
Door control switch assembly input |
Door control switch assembly off → on (unlock) |
Pulse generation → Below 1 V |
Door Lock SW-Unlock |
|
K53-17 (UL3) - Body ground |
BE - Body ground |
Input |
Driver door key-linked unlock input |
Driver door key cylinder in neutral position → on (unlock) |
11 to 14 V → Below 1 V |
D Door Key SW-UL |
|
K53-18 (L2) - Body ground |
LG - Body ground |
Input |
Driver door key-linked lock input |
Driver door key cylinder in neutral position → on (lock) |
11 to 14 V → Below 1 V |
Door Key SW-Lock |
|
3A-41 (KSW) - Body ground*1 |
GR - Body ground |
Input |
Key unlock warning switch input |
No key in ignition key cylinder → Key in ignition key cylinder |
11 to 14 V → Below 1 V |
Key Unlock Warning SW |
|
3A-7 (GSW) - Body ground |
B - Body ground |
Input |
Airbag sensor signal (collision detection signal) |
Ignition switch ON with airbag sensor assembly connector disconnected |
4.3 to 5.5 V |
- |
- *1: w/o Smart Key System
- *2: Differs depending on the vehicle model
CHECK AIRBAG SENSOR ASSEMBLY
Click here
|
|