RM3660EC
_58
Vehicle Interior
_080729
DOOR LOCK
_0392005
KEY REMINDER WARNING SYSTEM
U
DOOR LOCK KEY REMINDER WARNING SYSTEM TERMINALS OF ECU
CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
2.385,3.219 2.823,3.469
0.438,0.25
4.708,3.208 5.146,3.458
0.438,0.25
1.76,4.573 2.198,4.823
0.438,0.25
5.385,4.573 5.823,4.823
0.438,0.25
1.208,6.156 1.646,6.406
0.438,0.25
3.083,6.125 3.521,6.375
0.438,0.25
6.281,6.135 6.719,6.385
0.438,0.25
3.531,7.865 3.969,8.115
0.438,0.25
5.281,6.135 5.719,6.385
0.438,0.25
4.271,6.135 4.708,6.385
0.438,0.25
1.667,1.365 1.969,1.365
false
4.042,0.802 4.042,0.323
4.042,0.323 4.229,0.323
false
1.656,1.698 1.958,1.698
false
0.615,1.167 0.927,1.167
false
0.625,1.604 0.938,1.604
false
0.625,1.865 0.938,1.865
false
0.625,2.094 0.938,2.094
false
0.635,2.344 0.948,2.344
false
5.938,1.229 6.25,1.229
false
5.938,1.844 6.25,1.844
false
3.667,7.917 3.979,8.115
0.313,0.198
10
false
MB
4.281,0.229 4.594,0.427
0.313,0.198
10
false
MB
2.021,1.281 2.333,1.479
0.313,0.198
10
false
I86
2.021,1.615 2.333,1.813
0.313,0.198
10
false
I85
0.323,1.083 0.635,1.281
0.313,0.198
10
false
10G
6.302,1.146 6.688,1.344
0.385,0.198
10
false
10F
2.5,3.271 2.813,3.469
0.313,0.198
10
false
I85
4.823,3.26 5.135,3.458
0.313,0.198
10
false
I86
1.865,4.625 2.177,4.823
0.313,0.198
10
false
10E
1.292,6.208 1.667,6.406
0.375,0.198
10
false
10G
3.177,6.177 3.49,6.375
0.313,0.198
10
false
10A
4.365,6.188 4.729,6.375
0.365,0.188
10
false
10C
5.385,6.188 5.698,6.385
0.313,0.198
10
false
10B
6.385,6.177 6.698,6.375
0.313,0.198
10
false
10D
5.49,4.615 5.927,4.792
0.438,0.177
10
false
10F
6.313,1.76 6.667,1.958
0.354,0.198
10
false
10E
0.313,1.531 0.625,1.729
0.313,0.198
10
false
10A
0.313,1.792 0.625,1.99
0.313,0.198
10
false
10C
0.323,2.021 0.635,2.219
0.313,0.198
10
false
10B
0.323,2.271 0.635,2.469
0.313,0.198
10
false
10D
a.
Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.
b.
Reconnect the power distribution box assembly connectors.
c.
Measure the resistance and voltage according to the value(s) in the table below.
- HINT:
-
Measure the values on the wire harness side with the connectors connected.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| MB-13 (GND1) - Body ground | Ground | Always | Below 1 Ω |
| MB-14 (GND2) - Body ground | Ground | Always | Below 1 Ω |
| MB-26 (BECU) - Body ground | Auxiliary battery power supply | Ignition switch off | 11 to 14 V |
| MB-27 (IGR) - Body ground | IG power supply | Ignition switch ON | 11 to 14 V |
d.
Install the main body ECU (multiplex network body ECU) to power distribution box assembly.
e.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| 10G-23 (FLCY) - Body ground | 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)* |
| I85-16 (KSW) - Body ground | Unlock warning switch input | No key in ignition key cylinder | 11 to 14 V |
| Door control switch assembly lock switch input | Key in ignition key cylinder | Below 1 Ω |
*: Differs depending on the vehicle model