Toyota Venza manuals

Toyota Venza: Data List / Active Test

DATA LIST / ACTIVE TEST

1. DATA LIST

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. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTICE:

In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

(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 / Air Conditioner / Data List.

(e) Check the value(s) by referring to the table below.

Air Conditioner

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Room Temperature Sensor

Room temperature sensor /

Min.: -6.5°C (20.3°F)

Max.: 57.25°C (135.05°F)

Actual cabin temperature displayed

-

Ambient Temp Sensor

Ambient temperature sensor /

Min.: -23.3°C (-9.94°F)

Max.: 65.95°C (150.71°F)

Actual ambient temperature displayed

-

Adjusted Ambient Temp

Adjusted ambient temperature /

Min.: -30.8°C (-23.44°F)

Max.: 50.8°C (123.44°F)

-

-

Evaporator Fin Thermistor

Evaporator temperature sensor /

Min.: -30°C (-22°F)

Max.: 59.6°C (139.28°F)

Actual evaporator temperature displayed

-

Evaporator Target Temp

Evaporator target temperature /

Min.: -327.68°C (-557.82°F)

Max.: 327.67°C (621.81°F)

Evaporator target temperature displayed

-

Solar Sensor (D side)

Driver side solar sensor /

Min.: 0

Max.: 255

Driver side solar sensor value increases as brightness increases

-

Solar Sensor (P side)

Passenger side solar sensor /

Min.: 0

Max.: 255

Passenger side solar sensor value increases as brightness increases

-

Engine Coolant Temp

Engine coolant temperature sensor /

Min.: 1.3°C (34.34°F)

Max.: 90.55°C (194.99°F)

Actual engine coolant temperature displayed

-

Set Temperature (D side)

Driver side set temperature /

Min.: 18°C (65°F)

Max.: 32°C (85°F)

Driver side actual set temperature displayed

-

Set Temperature (P side)

Passenger side set temperature /

Min.: 18°C (65°F)

Max.: 32°C (85°F)

Passenger side actual set temperature displayed

-

Blower Motor Speed Level

Blower motor speed level /

Min.: 0

Max.: 31

Displayed speed level increases in range between 0 and 31 as blower motor speed increases

-

Regulator Pressure Sensor

Air conditioning pressure sensor /

Min.: -66.22 psi (gauge)

Max.: 477.68 psi (gauge)

Actual regulator pressure displayed

-

Regulator Control Current

Regulator control current /

Min.: 0 A

Max.: 0.997 A

Value changes between 0 A and 0.997 A in accordance with compressor and magnetic clutch operation

-

Air Mix Servo Targ Pulse (D)

Driver side air mix servo motor target pulse /

Min.: 0

Max.: 255

MAX. COLD: 5 (pulse)

MAX. HOT: 103(pulse)

-

Air Mix Servo Targ Pulse (P)

Passenger side air mix servo motor target pulse /

Min.: 0

Max.: 255

MAX. COLD: 105 (pulse)

MAX. HOT: 7(pulse)

-

Air Outlet Servo Pulse (D)

Air outlet servo motor target pulse /

Min.: 0

Max.: 255

FACE: 8 (pulse)

B/L: 30 to 38 (pulse)

FOOT: 50 to 74 (pulse)

FOOT/DEF: 80 (pulse)

DEF: 97 (pulse)

-

Air Inlet Damper Targ Pulse

Air inlet servo motor target pulse /

Min.: 0

Max.: 255

RECIRCULATION: 7 (pulse)

FRESH: 28 (pulse)

-

Outside Air Mode Auto Switch Function

Outside air mode auto switch function /

ON or OFF

Customized value displayed

-

Number of Trouble Codes

Number of trouble codes /

Min.: 0

Max.: 255

Number of DTCs displayed

-

2. ACTIVE TEST

Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(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 / Air Conditioner / Active Test.

(e) Check the operation by referring to the table below.

Air Conditioner

Tester Display

Test Part

Control Range

Diagnostic Note

Blower Motor

Blower motor

Min.: 0, Max.: 31

-

Magnetic Clutch Relay

A/C compressor

OFF, ON

-

Defogger Relay (Rear)

Defogger relay (Rear)

OFF, ON

-

Air Mix Servo Targ Pulse (D)

Air mix servo motor pulse (D side)

Min.: 0, Max.: 255

-

Air Mix Servo Targ Pulse (P)

Air mix servo motor pulse (P side)

Min.: 0, Max.: 255

-

Air Outlet Servo Pulse (D)

Air outlet servo motor pulse

Min.: 0, Max.: 255

-

Air Inlet Damper Targ Pulse

Air inlet damper target pulse

Min.: 0, Max.: 255

-

Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK USING TECHSTREAM (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 / Air C ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: When the air conditioning system functions properly, DTC B1400/00 is output. Air Conditioning System DTC Code Detection Item Tr ...

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