Lexus NX: Terminals Of Ecu
TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the I50 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I50-1 (IG+) - Body ground | SB - Body ground | Power source (IG) | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| I50-21 (B) - Body ground | GR - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| I50-14 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
(c) Reconnect the I50 air conditioning amplifier assembly connector.
(d) Measure the voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I50-39 (FDEF) - Body ground | L - Body ground | Wiper Deicer signal | Power switch on (IG), windshield deicer switch off | 11 to 14 V |
| Power switch on (IG), windshield deicer switch on | Below 2.2 V |
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Data List / Active Test
DATA LIST / ACTIVE TEST 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 func
Windshield Deicer does not Operate
DESCRIPTION When the windshield deicer switch is operated, the operation signal is transmitted to the radio receiver assembly. The radio receiver assembly transmits the operation signal to the air con
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Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 2 MOULDING TAPE HINT:
When installing the No. 2 moulding tape, heat the front bumper cover and No. 2 moulding tape using a heat light.
Use the same procedure described for the other side.
Standard: Item Temperature Front Bumper Cover 20 to 30°
Utility vehicle precautions
This vehicle belongs to the utility
vehicle class, which has higher
ground clearance and narrower
tread in relation to the height of its
center of gravity.
Utility vehicle feature
Specific design characteristics give
it a higher center of gravity than
ordinary passenger cars. This vehic
