RM3660EC _95 ADAS / AD _139716 ADVANCED DRIVER ASSISTANCE SYSTEM _0601171 DYNAMIC RADAR CRUISE CONTROL SYSTEM(for NR Series Engine) J

ADVANCED DRIVER ASSISTANCE SYSTEM  DYNAMIC RADAR CRUISE CONTROL SYSTEM(for NR Series Engine)  Steering Pad Switch Circuit  


DESCRIPTION

·

The steering pad switch assembly outputs the dynamic cruise control on/off signal and various control signals to the ECM.

·

The ECM controls the dynamic cruise control system according to the signals received from the steering pad switch assembly.


WIRING DIAGRAM

A402120E30
0.74,2.615 2.646,3 1.906,0.385 10 false Steering Pad Switch Assembly 1.823,1.469 2.74,1.667 0.917,0.198 10 false CANCEL 0.5,1.479 1.417,1.677 0.917,0.198 10 false -SET 1.24,1.469 2.156,1.667 0.917,0.198 10 false +RES 2.521,1.479 3.438,1.677 0.917,0.198 10 false MAIN 2.75,0.75 3.667,0.948 0.917,0.198 10 false CCS 2.75,1.948 3.667,2.146 0.917,0.198 10 false ECC 3.219,0.875 4.135,1.073 0.917,0.198 10 false z3 3.219,2.073 4.135,2.271 0.917,0.198 10 false z3 3.26,0.635 4.177,0.833 0.917,0.198 10 false 2 3.219,1.823 4.135,2.021 0.917,0.198 10 false 12 3.74,0.771 4.656,0.969 0.917,0.198 10 false CCS 3.74,1.99 4.656,2.188 0.917,0.198 10 false ECC 4.333,0.875 5.25,1.073 0.917,0.198 10 false I82 4.375,0.656 5.292,0.854 0.917,0.198 10 false 13 4.427,1.854 5.344,2.052 0.917,0.198 10 false 2 3.198,2.583 5.104,2.969 1.906,0.385 10 false Spiral Cable Sub-assembly 5.708,0.875 6.625,1.073 0.917,0.198 10 false A46 5.719,2.083 6.635,2.281 0.917,0.198 10 false A46 5.719,2.844 6.635,3.042 0.917,0.198 10 false C78 5.771,1.865 6.688,2.063 0.917,0.198 10 false 41 5.75,0.656 6.667,0.854 0.917,0.198 10 false 55 5.75,2.625 6.667,2.823 0.917,0.198 10 false 53 6.115,0.885 7.031,1.083 0.917,0.198 10 false CCS 6.115,2.063 7.031,2.26 0.917,0.198 10 false ECCS 6.115,2.844 7.031,3.042 0.917,0.198 10 false E1 6.406,3.448 6.99,3.667 0.583,0.219 10 false ECM 4.333,2.083 5.25,2.281 0.917,0.198 10 false I82 0.969,2.229 2.875,2.615 1.906,0.385 10 false Cruise Control Switch

CAUTION / NOTICE / HINT

NOTICE:
·

Before replacing the ECM, refer to Service Bulletin.

·

The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for NR Series Engine)>PRECAUTION



PROCEDURE

1.READ VALUE USING GTS
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Powertrain / Radar Cruise 1 / Data List.


e.

Read the Data List according to the display on the GTS.

Powertrain > Radar Cruise1 > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Cancel Switch CANCEL switch status ON or OFF ON: CANCEL switch pushed
OFF: CANCEL switch not pushed 		-
-SET Switch -SET switch status ON or OFF ON: -SET switch pushed
OFF: -SET switch not pushed 		-
+RES Switch +RES switch status ON or OFF ON: +RES switch pushed
OFF: +RES switch not pushed 		-
Cruise Main Switch Operation Condition Cruise control main switch status ON or OFF ON: Cruise control main switch pushed
OFF: Cruise control main switch not pushed 		-
Powertrain > Radar Cruise1 > Data List
Tester Display
Cancel Switch
-SET Switch
+RES Switch
Cruise Main Switch Operation Condition
50003 374 18,19,20,41
OK:

The value of each Data List item changes according to the operation of the steering pad switch assembly.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereADAS / AD>ADVANCED DRIVER ASSISTANCE SYSTEM>DYNAMIC RADAR CRUISE CONTROL SYSTEM (for NR Series Engine)>PROBLEM SYMPTOMS TABLE


NG

2.INSPECT STEERING PAD SWITCH ASSEMBLY
2.INSPECT STEERING PAD SWITCH ASSEMBLY
a.

Remove the steering pad switch assembly.

Click hereSteering>STEERING COLUMN>STEERING PAD SWITCH>REMOVAL


b.

Inspect the steering pad switch assembly.

Click hereSteering>STEERING COLUMN>STEERING PAD SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

3.INSPECT SPIRAL CABLE SUB-ASSEMBLY

NG

REPLACE STEERING PAD SWITCH ASSEMBLY

Click hereSteering>STEERING COLUMN>STEERING PAD SWITCH>REMOVAL


3.INSPECT SPIRAL CABLE SUB-ASSEMBLY
a.

Remove the spiral cable sub-assembly.

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>SPIRAL CABLE>REMOVAL


b.

Inspect the spiral cable sub-assembly.

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>SPIRAL CABLE>INSPECTION


Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM AND BODY GROUND)

NG

REPLACE SPIRAL CABLE SUB-ASSEMBLY

Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>SPIRAL CABLE>REMOVAL


4.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM AND BODY GROUND)
a.

Disconnect the A46 ECM connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I82-13 (CCS) - A46-55 (CCS) Always Below 1 Ω
I82-2 (ECC) - A46-41 (ECCS) Always Below 1 Ω
I82-13 (CCS) or A46-55 (CCS) - Body ground Always 10 kΩ or higher
I82-2 (ECC) or A46-41 (ECCS) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)
a.

Disconnect the C78 ECM connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
C78-53 (E1) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE ECM

Click hereEngine / Hybrid System>NR Series (ENGINE CONTROL)>ECM>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR