Toyota Venza: Terminals Of Ecu
TERMINALS OF ECU
1. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR)
(a) Disconnect the I13 connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
I13-14 (BDR) - Body ground |
V - Body ground |
+B power supply |
Always |
11 to 14 V |
|
I13-6 (CPUB) - Body ground |
LG - Body ground |
+B power supply |
Always |
11 to 14 V |
|
I13-5 (SIG) - Body ground |
L - Body ground |
Ignition power supply |
Ignition switch off → ON |
0 V → 11 to 14 V |
|
I13-7 (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 I13 connector.
(d) Measure the voltage according to the value(s) in the table below.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
I12-1 (LMVR) - I12-9 (LMHR) |
LG - P |
Vertical mirror motor drive voltage |
LH mirror surface moving upward → stopped |
11 to 14 V → 0 V |
|
I12-10 (LM+R) - I12-1 (LMVR) |
R - LG |
Vertical mirror motor drive voltage |
LH mirror surface moving downward → stopped |
11 to 14 V → 0 V |
|
I12-10 (LM+R) - I12-9 (LMHR) |
R - P |
Horizontal mirror motor drive voltage |
LH mirror surface moving right → stopped |
11 to 14 V → 0 V |
|
I12-9 (LMHR) - I12-1 (LMVR) |
P - LG |
Horizontal mirror motor drive voltage |
LH mirror surface moving left → stopped |
11 to 14 V → 0 V |
|
I12-5 (LVC) - I12-14 (LE1) |
Y - GR |
Mirror position sensor power supply |
Ignition switch ON |
4.55 to 5.45 V |
|
I12-6 (VSSR) - I12-14 (LE1) |
G - GR |
Mirror position sensor signal |
Ignition switch ON |
0.96 to 4.04 V |
|
I12-13 (HSSR) - I12-14 (LE1) |
L - GR |
Mirror position sensor signal |
Ignition switch ON |
0.96 to 4.04 V |
|
I13-3 (M2) - I13-13 (MSWE) |
V - Y |
M2 switch signal for seat memory switch |
M2 switch on |
Below 1 V |
|
M2 switch off |
11 to 14 V |
|||
|
I13-2 (M1) - I13-13 (MSWE) |
B - Y |
M1 switch signal for seat memory switch |
M1 switch on |
Below 1 V |
|
M1 switch off |
11 to 14 V |
|||
|
I13-1 (MM) - I13-13 (MSWE) |
GR - Y |
SET switch signal for seat memory switch |
SET switch on |
Below 1 V |
|
SET switch off |
11 to 14 V |
2. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER DOOR)
(a) Disconnect the H13 connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
H13-14 (BDR) - Body ground |
R - Body ground |
+B power supply |
Always |
11 to 14 V |
|
H13-6 (CPUB) - Body ground |
B - Body ground |
+B power supply |
Always |
11 to 14 V |
|
H13-5 (SIG) - Body ground |
L - Body ground |
Ignition power supply |
Ignition switch off → ON |
0 V → 11 to 14 V |
|
H13-7 (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 H13 connector.
(d) Measure the voltage according to the value(s) in the table below.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
H12-1 (RMVR) - H12-9 (RMHR) |
LG - P |
Vertical mirror motor drive voltage |
RH mirror surface moving upward → stopped |
11 to 14 V → 0 V |
|
H12-10 (RM+R) - H12-1 (RMVR) |
R - LG |
Vertical mirror motor drive voltage |
RH mirror surface moving downward → stopped |
11 to 14 V → 0 V |
|
H12-10 (RM+R) - H12-9 (RMHR) |
R - P |
Horizontal mirror motor drive voltage |
RH mirror surface moving right → stopped |
11 to 14 V → 0 V |
|
H12-9 (RMHR) - H12-1 (RMVR) |
P - LG |
Horizontal mirror motor drive voltage |
RH mirror surface moving left → stopped |
11 to 14 V → 0 V |
|
H12-5 (RVC) - H12-14 (RE1) |
Y - GR |
Mirror position sensor power supply |
Ignition switch ON |
4.55 to 5.45 V |
|
H12-6 (VSSR) - H12-14 (RE1) |
G - GR |
Mirror position sensor signal |
Ignition switch ON |
0.96 to 4.04 V |
|
H12-13 (HSSR) - H12-14 (RE1) |
L - GR |
Mirror position sensor signal |
Ignition switch ON |
0.96 to 4.04 V |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Monitor the ECU data by following the prompts on the Techstream screen.
HINT:
The Techstream has a "Sn ...
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REASSEMBLY
PROCEDURE
1. INSTALL FUEL PUMP ASSEMBLY WITH FILTER
HINT:
Perform "Inspection After Repair" after replacing the fuel pump (See page
).
(a) Apply gasoline to a new O-ring. Then install the O-ring and spacer
to the fuel ...
VSC OFF Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
WIRING DIAGRAM
Refer to VSC OFF Indicator Light Remains ON (See page
).
PROCEDURE
1.
CHECK CAN COMMUNICATION SYSTEM
(a) Check ...
Power Back Door Touch Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE UPPER BACK WINDOW PANEL TRIM
2. REMOVE BACK DOOR PANEL TRIM ASSEMBLY
3. DISCONNECT POWER BACK DOOR ROD (for LH Side)
4. REMOVE BACK DOOR TRIM COVER
5. REMOVE POW ...
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