DATA LIST / ACTIVE TEST
1. ACTIVE TEST
HINT:
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 Electrical / Air Conditioner / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
Air Conditioner
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Defogger Relay (Rear) |
DEF relay operation |
OFF/ON |
- |
Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441/41)
DESCRIPTION
The damper servo sub-assembly (front passenger side air mix damper servo) sends
pulse signals to inform the No. 1 air conditioning amplifier assembly of the damper
position. The No. 1 air conditioning amplifier assembly activates the motor (no ...
Lost Communication with A/C ECU (U0164)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
U0164
There is no communication from the air conditioning amplifier assembly.
Power source or inside air conditioning ...