Lexus NX: Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT IGNITION CONTROL RELAY (IGCT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Auxiliary battery voltage is not applied across terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage is applied across terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the ignition control relay.

*1

Ignition Control Relay

2. INSPECT HYBRID WATER PUMP RELAY (INV W/PMP)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Auxiliary battery voltage is not applied across terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage is applied across terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the hybrid water pump relay.

*1

Hybrid Water Pump Relay

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 Service Plug Grip

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 Removal

REMOVAL PROCEDURE 1. PRECAUTION CAUTION: The hybrid system has high-voltage circuits. Accidents, such as electric shock, or electric leaks may result if the hybrid system is not operated in a correct

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 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes. Chassis > Front Recognition Camera > Trouble Codes (e) Check for DTCs. Techst

 GVIF Disconnected (from Extension Module to H/U) (B153A)

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