Lexus NX: Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT PTC HEATER RELAY(PTC HTR NO. 1, NO. 3)
(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 between terminals 1 and 2 | 10 kΩ or higher | 3 - 5 | Auxiliary battery voltage is applied between terminals 1 and 2 | Below 1 Ω | -
If the result is not as specified, replace the PTC heater relay (PTC HTR NO. 1, NO. 3).
| | *a | Component without harness connected (PTC Heater Relay) | | |
2. INSPECT PTC HEATER RELAY(PTC HTR NO. 2)
(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 between terminals 1 and 2 | 10 kΩ or higher | 3 - 5 | Auxiliary battery voltage is applied between terminals 1 and 2 | Below 1 Ω | -
If the result is not as specified, replace the PTC heater relay (PTC HTR NO. 2).
| | *a | Component without harness connected (PTC Heater Relay) | | |
3. INSPECT WATER PUMP RELAY
(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 between terminals 1 and 2 | 10 kΩ or higher | 3 - 5 | Auxiliary battery voltage is applied between terminals 1 and 2 | Below 1 Ω | If the result is not as specified, replace the water pump relay. | | *a | Component without harness connected (Water Pump Relay) | | |
READ NEXT:
COMPONENTS ILLUSTRATION *1 CONSOLE ARMREST ASSEMBLY *2 COOLER THERMISTOR (ROOM TEMPERATURE SENSOR) *3 COWL SIDE TRIM BOARD LH *4 DOOR SCUFF PLATE ASSEMBLY LH *5 INSTRUMENT SI
REMOVAL PROCEDURE 1. REMOVE DOOR SCUFF PLATE ASSEMBLY LH Click here 2. REMOVE COWL SIDE TRIM BOARD LH Click here 3. REMOVE CONSOLE ARMREST ASSEMBLY Click here 4. REMOVE UPPER REAR CONSOL
SEE MORE:
PROBLEM SYMPTOMS TABLE NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to the Smart Access System with Push-button Start (for Entry Function). Click here HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are list
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A7 Actuator Malfunction Both of following conditions are met:
Electric parking brake is operating
One of following is detected: Motor lock, gear lock, spinning, repeated slipping
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