RM35X0E _51 Engine / Hybrid System _078884 CRUISE CONTROL _0397572 DYNAMIC RADAR CRUISE CONTROL SYSTEM J

CRUISE CONTROL  DYNAMIC RADAR CRUISE CONTROL SYSTEM  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

C419499E01
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 z6 3.219,2.073 4.135,2.271 0.917,0.198 10 false z6 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 G20 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 5.323,0.865 6.24,1.063 0.917,0.198 10 false A2 5.74,0.865 6.656,1.063 0.917,0.198 10 false N1 5.333,2.844 6.25,3.042 0.917,0.198 10 false A2 5.688,0.656 6.604,0.854 0.917,0.198 10 false 17*2 5.26,0.656 6.177,0.854 0.917,0.198 10 false 26*1 5.323,2.625 6.24,2.823 0.917,0.198 10 false 5*1 6.115,0.885 7.031,1.083 0.917,0.198 10 false CCS 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 G20 5.74,2.833 6.052,3.031 0.313,0.198 10 false E3 5.719,2.625 6.177,2.823 0.458,0.198 10 false 1*2 0.177,3.167 2.469,3.365 2.292,0.198 10 false *1: for 1GD-FTV 1.573,3.167 3.865,3.365 2.292,0.198 10 false *2: for 7GR-FKS

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.

for Type A: Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for Type A)>PRECAUTION

for Type B: Click hereVehicle Interior>SUPPLEMENTAL RESTRAINT SYSTEMS>AIRBAG SYSTEM (for Type B)>PRECAUTION



PROCEDURE

1.READ VALUE USING GTS
a.

Connect the GTS to the DLC3.


b.

Turn the engine switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Powertrain / Radar Cruise1 / Data List.


e.

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

Powertrain > Cruise Control > 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 > Cruise Control > 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 hereEngine / Hybrid System>CRUISE CONTROL>DYNAMIC RADAR CRUISE CONTROL SYSTEM>PROBLEM SYMPTOMS TABLE


NG

2.INSPECT STEERING PAD SWITCH ASSEMBLY
4.CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM AND BODY GROUND)

for 1GD-FTV:

a.

Disconnect the N58 spiral cable sub-assembly connector.


b.

Disconnect the A2 ECM connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A2-2 (CCS) - N58-13 (CCS) Always Below 1 Ω
A2-26 (CCS) or N58-13 (CCS) - Body ground Always 10 kΩ or higher
N58-2 (ECC) - Body ground Always 10 kΩ or higher



d.

Connect the A2 ECM connector.


e.

Connect the N58 spiral cable sub-assembly connector.


for 7GR-FKS:

f.

Disconnect the N58 spiral cable sub-assembly connector.


g.

Disconnect the N1 ECM connector.


h.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N1-17 (CCS) - N58-13 (CCS) Always Below 1 Ω
N1-17 (CCS) or N58-13 (CCS) - Body ground Always 10 kΩ or higher
N58-2 (ECC) - Body ground Always 10 kΩ or higher



i.

Connect the N1 ECM connector.


j.

Connect the N58 spiral cable sub-assembly connector.


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)

for 1GD-FTV:

a.

Disconnect the A2 ECM connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
A2-5 (E1) - Body ground Always Below 1 Ω



c.

Connect the A2 ECM connector.


for 7GR-FKS:

d.

Disconnect the E3 ECM connector.


e.

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

Standard Resistance:
Tester Connection Condition Specified Condition
E3-1 (E1) - Body ground Always Below 1 Ω



f.

Connect the E3 ECM connector.


Result:
Proceed to
OK
NG



OK

REPLACE ECM

for 1GD-FTV: Click hereEngine / Hybrid System>1GD-FTV (ENGINE CONTROL)>ECM>REMOVAL

for 7GR-FKS: Click hereEngine / Hybrid System>7GR-FKS (ENGINE CONTROL)>ECM>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR