Toyota Venza: Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2F and 2C driver side junction block connectors.
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(b) Disconnect the D50 and D51 main body ECU 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 connector disconnected.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
2F-16 (GND1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
2C-30 (ALTB) - Body ground |
BR - Body ground |
Battery power supply |
Always |
11 to 14 V |
|
D50-24 (DCTY) - Body ground |
V - Body ground |
Driver door courtesy light switch signal |
Switch pushed (Door closed) |
10 kΩ or higher |
|
D50-24 (DCTY) - Body ground |
V - Body ground |
Driver door courtesy light switch signal |
Switch free (Door open) |
Below 1 Ω |
|
D51-5 (KSW) - Body ground |
L - Body ground |
Unlock warning switch signal |
No key is in ignition key cylinder |
10 kΩ or higher |
|
D51-5 (KSW) - Body ground |
L - Body ground |
Unlock warning switch signal |
Key is in ignition key cylinder |
Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. 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 p ...
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Cellular Phone Inspection
PROCEDURE
1.
CHECK USAGE CONDITION
(a) Check that the vehicle and cellular phone meet the following conditions:
NOTICE:
If changing cellular phone settings, updating software, etc. is necessary, make
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Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. FUNCTION OF P/S WARNING LIGHT
(a) When a malfunction is detected in the power steering system, the P/S warning
light on the accessory meter comes on to inform the driver of the malfunctio ...
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