| Last Modified: 11-29-2007 | 1.6 U | |
| Service Category: Vehicle Exterior | Section: Mirror (ext) | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000002Y3X005X |
| Title: MIRROR (EXT): POWER MIRROR CONTROL SYSTEM (w/ Memory): TERMINALS OF ECU (2008 Sequoia) | ||
TERMINALS OF ECU
1. CHECK OUTER MIRROR CONTROL ECU
(a) Disconnect the M7 ECU connector.
(b) Measure the voltage and resistance of the wire harness side connector.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
M7-3 (B) - M7-9 (GND) |
R - W-B |
Battery (ECU power source) |
Always |
11 to 14 V |
|
M7-4 (ACC) - M7-9 (GND) |
Y - W-B |
Ignition power supply |
Ignition switch LOCK |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
|||
|
M7-9 (GND) - 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 M7 ECU connector.
(d) Measure the voltage of the connector.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
M7-1 (MR+) - M7-9 (GND) |
P - W-B |
Mirror retract motor output (retracting) |
Mirror retract switch ON (Outer rear view mirror LH is retracting) |
11 to 14 V |
|
M7-2 (MR-) - M7-9 (GND) |
V - W-B |
Mirror retract motor output (retracting) |
Mirror retract switch OFF (Outer rear view mirror LH is retracting) |
11 to 14 V |
|
M7-5 (MR+) - M7-9 (GND) |
LG - W-B |
Mirror retract motor output (retracting) |
Mirror retract switch ON (Outer rear view mirror RH is retracting) |
11 to 14 V |
|
M7-6 (MR-) - M7-9 (GND) |
BR - W-B |
Mirror retract motor output (retracting) |
Mirror retract switch OFF (Outer rear view mirror RH is retracting) |
11 to 14 V |
|
M8-2 (VC) - M8-3 (E1) |
LG - BR |
Power source for mirror position sensor |
Ignition switch LOCK during sleep mode |
Below 1 V |
|
Ignition switch ON |
3.5 to 5.5 V |
|||
|
M8-4 (VSR) - N8-3 (E1) |
L - BR |
Vertical direction position signal |
Mirror master switch R or L Mirror control switch UP or DOWN |
Voltage fluctuates between 0 and 5 V |
|
N8-5 (HSRL) - M8-3 (E1) |
W - BR |
Horizontal direction position signal |
Mirror master switch R or L Mirror control switch RIGHT or LEFT |
Voltage fluctuates between 0 and 5 V |
|
M8-18 (M+L) - M7-9 (GND) |
P - W-B |
Mirror motor output |
Mirror master switch L, Mirror control switch OFF |
Below 1 V |
|
Mirror master switch L, Mirror control switch UP or LEFT |
Below 1 V |
|||
|
Mirror master switch L, Mirror control switch DOWN or RIGHT |
11 to 14 V |
|||
|
M8-19 (MHL) - M7-9 (GND) |
B - W-B |
Mirror motor output |
Mirror master switch L, Mirror control switch OFF |
Below 1 V |
|
Mirror master switch L, Mirror control switch RIGHT |
Below 1 V |
|||
|
Mirror master switch L, Mirror control switch LEFT |
11 to 14 V |
|||
|
M8-20 (MVL) - M7-9 (GND) |
Y - W-B |
Mirror motor output |
Mirror master switch L, Mirror control switch OFF |
Below 1 V |
|
Mirror master switch L, Mirror control switch DOWN |
Below 1 V |
|||
|
Mirror master switch L, Mirror control switch UP |
11 to 14 V |
|||
|
M8-22 (VC) - M8-23 (E1) |
GR - BR |
Power source for mirror position sensor |
Ignition switch LOCK during sleep mode |
Below 1 V |
|
Ignition switch ON |
3.5 to 5.5 V |
|||
|
M8-24 (VSRR) - M8-23 (E1) |
P - BR |
Vertical direction position signal |
Mirror master switch R or L Mirror control switch UP or DOWN |
Voltage fluctuates between 0 and 5 V |
|
M8-25 (HSRR) - M8-23 (E1) |
B - BR |
Horizontal direction position signal |
Mirror master switch R or L Mirror control switch RIGHT or LEFT |
Voltage fluctuates between 0 and 5 V |
|
M8-36 (AR) - Body ground |
B - Body ground |
Reverse switch input |
Ignition switch ON, Outer mirror reverse gear link switch ON |
Below 1 V |
|
Ignition switch ON, Outer mirror reverse gear link switch OFF |
11 to 14 V |
|||
|
M8-38 (M+R) - M7-9 (GND) |
R - W-B |
Mirror motor output |
Mirror master switch R, Mirror control switch OFF |
Below 1 V |
|
Mirror master switch R, Mirror control switch UP or LEFT |
Below 1 V |
|||
|
Mirror master switch R, Mirror control switch DOWN or RIGHT |
11 to 14 V |
|||
|
M8-39 (MHR) - M7-9 (GND) |
O - W-B |
Mirror motor output |
Mirror master switch R, Mirror control switch OFF |
Below 1 V |
|
Mirror master switch R, Mirror control switch RIGHT |
Below 1 V |
|||
|
Mirror master switch R, Mirror control switch LEFT |
11 to 14 V |
|||
|
M8-40 (MVR) - M7-9 (GND) |
G - W-B |
Mirror motor output |
Mirror master switch R, Mirror control switch OFF |
Below 1 V |
|
Mirror master switch R, Mirror control switch DOWN |
Below 1 V |
|||
|
Mirror master switch R, Mirror control switch UP |
11 to 14 V |
If the result is not as specified, the ECU may have a malfunction.
2. CHECK MAIN BODY ECU
(a) Disconnect the DA and DD ECU connectors.
(b) Measure the voltage and resistance of the wire harness side connectors.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
DA-1 (ALTB) - Body ground |
B - Body ground |
+B power supply |
Always |
11 to 14 V |
|
DD-62 (GND1, GND2) - Body ground |
W-B - Body ground |
Body 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 DA and DD ECU connectors.
(d) Measure the voltage of the connectors.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
H3-6 (RET) - DD-62 (GND1, GND2) |
V - W-B |
Mirror retract motor output (retracting) |
Mirror retract switch ON |
11 to 14 V |
|
H3-6 (RET) - DD-62 (GND1, GND2) |
V - W-B |
Mirror retract motor output (retracting) |
Mirror retract switch OFF |
Below 1 V |
|
H4-11 (MIRB) - H4-2 (MIRE) |
R - GR |
Mirror motor output |
Mirror master switch L |
11 to 14 V |
|
Mirror master switch R |
11 to 14 V |
|||
|
Mirror master switch OFF |
Below 1 V |
|||
|
H4-12 (MIRS) - H4-2 (MIRE) |
L - GR |
Mirror motor output |
Mirror master switch L, Mirror control switch RIGHT |
11 to 14 V |
|
Mirror master switch L, Mirror control switch LEFT |
11 to 14 V |
|||
|
Mirror master switch L, Mirror control switch DOWN |
11 to 14 V |
|||
|
Mirror master switch L, Mirror control switch UP |
11 to 14 V |
|||
|
Mirror master switch R, Mirror control switch RIGHT |
11 to 14 V |
|||
|
Mirror master switch R, Mirror control switch LEFT |
11 to 14 V |
|||
|
Mirror master switch R, Mirror control switch DOWN |
11 to 14 V |
|||
|
Mirror master switch R, Mirror control switch UP |
11 to 14 V |
|||
|
Mirror master switch OFF |
Below 1 V |
If the result is not as specified, the ECU may have a malfunction.
|
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