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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On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Turn the Techstream on. (c) Put the engine in inspection mode (maintenance mode). Click here (d) Start the engine. (e) Warm up the engine. (f) Enter the following menus
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
When the brake pedal is first depressed after replacing the brake pads or pushing back the disc brake piston, DTC C1214 may be output. As there is no m
