TERMINALS OF ECU
1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
(a) Disconnect the N2 master switch connector.
(b) Measure the resistance and voltage according to the value(s) in the table
below.
for Double Cab:
|
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
|
N2-6 (B) - Body ground
|
P - Body ground
|
Ignition power supply
|
Ignition switch OFF
|
Below 1 V
|
|
N2-6 (B) - Body ground
|
P - Body ground
|
Ignition power supply
|
Ignition switch ON
|
11 to 14 V
|
|
N2-1 (E) - Body ground
|
W-B - Body ground
|
Ground
|
Always
|
Below 1 Ω
|
for CrewMax:
|
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
|
N2-6 (B) - Body ground
|
P - Body ground
|
Ignition power supply
|
Ignition switch OFF
|
Below 1 V
|
|
N2-6 (B) - Body ground
|
P - Body ground
|
Ignition power supply
|
Ignition switch ON
|
11 to 14 V
|
|
N2-1 (E) - Body ground
|
W-B - Body ground
|
Ground
|
Always
|
Below 1 Ω
|
If the result is not as specified, there may be a malfunction on the wire harness
side.
(c) Reconnect the N2 master switch connector.
(d) Measure the voltage according to the value(s) in the table below.
for Double Cab:
|
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
|
N2-3 (U) - N2-1 (E)
|
LG - W-B
|
Driver side door power window UP operation
|
Ignition switch ON, driver side switch of master switch OFF → UP
|
Below 1 V → 11 to 14 V
|
|
N2-4 (D) - N2-1 (E)
|
BR - W-B
|
Driver side door power window DOWN operation
|
Ignition switch ON, driver side switch of master switch OFF → DOWN
|
Below 1 V → 11 to 14 V
|
|
N2-4 (D) - N2-1 (E)
|
BR - W-B
|
Driver side door power window AUTO DOWN operation
|
Ignition switch ON, driver side door glass fully closed → power window
AUTO DOWN operation → driver side door glass fully open
|
Below 1 V → 11 to 14 V → Below 1 V
|
|
N2-16 (U) - N2-1 (E)
|
Y - W-B
|
Front passenger side door power window UP operation
|
Ignition switch ON, front passenger side switch of master switch OFF
→ UP
|
Below 1 V → 11 to 14 V
|
|
N2-15 (D) - N2-1 (E)
|
L - W-B
|
Front passenger side door power window DOWN operation
|
Ignition switch ON, front passenger side switch of master switch OFF
→ DOWN
|
Below 1 V → 11 to 14 V
|
|
N2-12 (U) - N2-1 (E)
|
V - W-B
|
Rear LH side door power window UP operation
|
Ignition switch ON, rear LH switch of master switch OFF → UP
|
Below 1 V → 11 to 14 V
|
|
N2-13 (D) - N2-1 (E)
|
B - W-B
|
Rear LH side door power window DOWN operation
|
Ignition switch ON, rear LH switch of master switch OFF → DOWN
|
Below 1 V → 11 to 14 V
|
|
N2-10 (U) - N2-1 (E)
|
BE - W-B
|
Rear RH side door power window UP operation
|
Ignition switch ON, rear RH switch of master switch OFF → UP
|
Below 1 V → 11 to 14 V
|
|
N2-18 (D) - N2-1 (E)
|
LG - W-B
|
Rear RH side door power window DOWN operation
|
Ignition switch ON, rear RH switch of master switch OFF → DOWN
|
Below 1 V → 11 to 14 V
|
for CrewMax:
|
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
|
N2-3 (U) - N2-1 (E)
|
LG - W-B
|
Driver side door power window UP operation
|
Ignition switch ON, driver side switch of master switch OFF → UP
|
Below 1 V → 11 to 14 V
|
|
N2-4 (D) - N2-1 (E)
|
BR - W-B
|
Driver side door power window DOWN operation
|
Ignition switch ON, driver side switch of master switch OFF → DOWN
|
Below 1 V → 11 to 14 V
|
|
N2-4 (D) - N2-1 (E)
|
BR - W-B
|
Driver side door power window AUTO DOWN operation
|
Ignition switch ON, driver side door glass fully closed → power window
AUTO DOWN operation → driver side door glass fully open
|
Below 1 V → 11 to 14 V → Below 1 V
|
|
N2-16 (U) - N2-1 (E)
|
Y - W-B
|
Front passenger side door power window UP operation
|
Ignition switch ON, front passenger side switch of master switch OFF
→ UP
|
Below 1 V → 11 to 14 V
|
|
N2-15 (D) - N2-1 (E)
|
L - W-B
|
Front passenger side door power window DOWN operation
|
Ignition switch ON, front passenger side switch of master switch OFF
→ DOWN
|
Below 1 V → 11 to 14 V
|
|
N2-12 (U) - N2-1 (E)
|
V - W-B
|
Rear LH side door power window UP operation
|
Ignition switch ON, rear LH switch of master switch OFF → UP
|
Below 1 V → 11 to 14 V
|
|
N2-13 (D) - N2-1 (E)
|
B - W-B
|
Rear LH side door power window DOWN operation
|
Ignition switch ON, rear LH switch of master switch OFF → DOWN
|
Below 1 V → 11 to 14 V
|
|
N2-10 (U) - N2-1 (E)
|
BE - W-B
|
Rear RH side door power window UP operation
|
Ignition switch ON, rear RH switch of master switch OFF → UP
|
Below 1 V → 11 to 14 V
|
|
N2-18 (D) - N2-1 (E)
|
LG - W-B
|
Rear RH side door power window DOWN operation
|
Ignition switch ON, rear RH switch of master switch OFF → DOWN
|
Below 1 V → 11 to 14 V
|
If the result is not as specified, the master switch may be malfunctioning.
|
*A
|
Main Body ECU (Multiplex Network Body ECU) with 1 connector
|
-
|
-
|
|
*1
|
Main Body ECU (Multiplex Network Body ECU)
|
-
|
-
|
2. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
(a) Remove the main body ECU (multiplex network body ECU) from the cowl side
junction block LH.
Click here 
(b) Measure the voltage and resistance according to the value(s) in the table
below.
|
Terminal No. (Symbol)
|
Wiring Color
|
Terminal Description
|
Condition
|
Specified Condition
|
|
A-30 (ACC) - Body ground
|
None - Body ground
|
ACC power supply
|
Always
|
11 to 14 V
|
|
A-32 (IG) - Body ground
|
None - Body ground
|
IG power supply
|
Always
|
11 to 14 V
|
|
A-11 (GND1) - Body ground
|
None - Body ground
|
Body ground
|
Always
|
Below 1 Ω
|
|
J165-6 (FLCY) - Body ground
|
GR - Body ground
|
Front door courtesy light switch LH signal
|
Front door LH open
|
Below 1 Ω
|
|
Front door LH closed
|
10 kΩ or higher
|
|
J165-27 (FRCY) - Body ground
|
W - Body ground
|
Front door courtesy light switch RH signal
|
Front door RH open
|
Below 1 Ω
|
|
Front door RH closed
|
10 kΩ or higher
|
|
