Lexus NX: Inspection
INSPECTION
PROCEDURE
1. INSPECT CRUISE CONTROL MAIN SWITCH
(a) w/o Dynamic Radar Cruise Control System:
(1) Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (Cruise Control Main Switch) | - | - |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 1 (ECC) - 3 (CCS) | Cruise control main switch (ON-OFF button) released | 1 MΩ or higher |
| Cruise control main switch (ON-OFF button) pushed | Below 2.5 Ω | |
| +RES switch ON | 236 to 244 Ω | |
| -SET switch ON | 618 to 642 Ω | |
| CANCEL switch ON | 1510 to 1570 Ω |
If the result is not as specified, replace the cruise control main switch.
(b) w/ Dynamic Radar Cruise Control System:
(1) Measure the resistance according to the value(s) in the table below.
| *a | Component without harness connected (Cruise Control Main Switch) | - | - |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 1 (ECC) - 3 (CCS) | Cruise control main switch (ON-OFF button) released | 1 MΩ or higher |
| Cruise control main switch (ON-OFF button) pushed | Below 2.5 Ω | |
| +RES switch ON | 236 to 244 Ω | |
| -SET switch ON | 618 to 642 Ω | |
| CANCEL switch ON | 1510 to 1570 Ω |
If the result is not as specified, replace the cruise control main switch.
READ NEXT:
Installation
INSTALLATION PROCEDURE 1. INSTALL CRUISE CONTROL MAIN SWITCH (a) Pass the wire harness under the rib as shown in the illustration. *1 Wire Harness *a Rib *b Guide Connector
Precaution
PRECAUTION HANDLING PRECAUTION FOR DYNAMIC RADAR CRUISE CONTROL SYSTEM Keep in mind the following points when servicing vehicles equipped with the dynamic radar cruise control system. (a) The dynamic
SEE MORE:
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL STIFFENING CRANKCASE RING PIN NOTICE: It is not necessary to remove the ring pin unless it is being replaced. *a Protrusion Height (a) Using a plastic-faced hammer, tap in 2 new ring pins until they stop. Standard protrusion height: 4.3 to 5.3 mm (0.169 to 0
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: When replacing the radio receiver assembly or navigation ECU, always replace it with a new one. If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
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