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

 Components

COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified

 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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 Hydraulic Control System Malfunction (C1214)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) controls braking force according to the hybrid control system regenerative braking force and provides the hydraulic pressure necessary for operating each wheel cylinder according to the wheel cylinder pressure sensor. DTC

 On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug. Click here PROCEDURE 1. PERFORM SPARK TEST (a) Check for DTCs. Click here NOTICE: If any DTC is output, perform troubleshooting procedures for that DTC.

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