Toyota Camry (XV70): Terminals Of Ecu
TERMINALS OF ECU
CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
(a) Disconnect the V2 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(b) 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 connector disconnected.
|
Terminal No. (Symbol) |
Wiring Color | Terminal Description |
Condition | Specified Condition |
|---|---|---|---|---|
|
V2-1 (B) - V2-2 (E) |
B - W-B | Battery power supply |
Always | 11 to 14 V |
|
V2-6 (IG) - V2-2 (E) |
LA-GR - W-B | IG power supply |
Ignition switch off |
Below 1 V |
|
V2-6 (IG) - V2-2 (E) |
LA-GR - W-B | IG power supply |
Ignition switch ON |
11 to 14 V |
|
V2-2 (E) - Body ground |
W-B - Body ground |
Ground | Always |
Below 1 Ω |
(c) Reconnect the V2 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(d) Measure the voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color | Terminal Description |
Condition | Specified Condition |
|---|---|---|---|---|
|
V2-10 (OPN) - V2-2 (E) |
W - W-B | Sliding roof motor open |
Ignition switch ON, OPEN switch on |
Below 1 V |
|
V2-10 (OPN) - V2-2 (E) |
W - W-B | Sliding roof motor open |
Ignition switch ON, OPEN switch off |
11 to 14 V |
|
V2-8 (CLS) - V2-2 (E) |
SB - W-B | Sliding roof motor close |
Ignition switch ON, CLOSE switch on |
Below 1 V |
|
V2-8 (CLS) - V2-2 (E) |
SB - W-B | Sliding roof motor close |
Ignition switch ON, CLOSE switch off |
11 to 14 V |
|
V2-5 (OPN) - V2-2 (E) |
R - W-B | Sliding roof motor up |
Ignition switch ON, UP switch on |
Below 1 V |
|
V2-5 (OPN) - V2-2 (E) |
R - W-B | Sliding roof motor up |
Ignition switch ON, UP switch off |
11 to 14 V |
|
V2-9 (CLS) - V2-2 (E) |
LG - W-B | Sliding roof motor down |
Ignition switch ON, DOWN switch on |
Below 1 V |
|
V2-9 (CLS) - V2-2 (E) |
LG - W-B | Sliding roof motor down |
Ignition switch ON, DOWN switch off |
11 to 14 V |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
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Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning,
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON. (c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Sliding Roof
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT:
Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts.
SEE MORE:
Removal
REMOVAL PROCEDURE 1. PRECAUTION
Click here 2. REMOVE NO. 1 METER HOOD CLUSTER
Click here
3. REMOVE NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMBLY Click here
4. REMOVE INSTRUMENT PANEL FINISH PLATE GARNISH
Click here
5. REMOVE LOWER CENTER INSTRUMENT PANEL FINISH PANEL Cl
VC Output Circuit
DESCRIPTION The ECM constantly generates a 5 V power source voltage from the battery voltage supplied to the +B, +B2 (BATT) terminals to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit.
When the VC circuit has a short circuit, the micropro
