Lexus NX: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLING FAN MOTOR
(a) Disconnect the cooling fan motor connector.
(b) Check that the fan rotates smoothly by hand.
| (c) Check that the cooling fan motor turns smoothly when the battery is connected to the cooling fan motor connector. Click here |
|
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(d) Measure the current according to the value(s) in the table below.
Standard Current:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 (+) | 20°C (68°F) 12 V | 14.1 to 18.1 A |
If the result is not as specified, replace the cooling fan motor.
(e) Connect the cooling fan motor connector.
2. INSPECT NO. 2 COOLING FAN MOTOR
(a) Disconnect the No. 2 cooling fan motor connector.
(b) Check that the No. 2 fan rotates smoothly by hand.
| (c) Check that the No. 2 cooling fan motor turns smoothly when the battery is connected to the No. 2 cooling fan motor connector. Click here |
|
(d) Measure the current according to the value(s) in the table below.
Standard Current:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 2 (+) | 20°C (68°F) 12 V | 14.1 to 18.1 A |
If the result is not as specified, replace the No. 2 cooling fan motor.
(e) Connect the No. 2 cooling fan motor connector.
READ NEXT:
Removal
REMOVAL PROCEDURE 1. REMOVE FAN SHROUD WITH COOLING FAN Click here 2. REMOVE COOLING FAN WIRE (a) Disconnect the cooling fan ECU connector. (b) Detach the 3 clamps and remove the cool
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 2 COOLING FAN MOTOR (a) Attach the 2 clamps and install the No. 2 cooling fan motor with the 3 screws. Torque: 3.9 N·m {40 kgf·cm, 35 in·lbf} (b) Install the
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Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery.
Terminals Of Ecu
TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the I53 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Input/Output Wiring Color Terminal Descripti
