RM3660EC _58 Vehicle Interior _080747 THEFT DETERRENT / KEYLESS ENTRY _0586354 SMART ENTRY AND START SYSTEM(for Start Function, Gasoline Model (NR Series)) J

THEFT DETERRENT / KEYLESS ENTRY  SMART ENTRY AND START SYSTEM(for Start Function, Gasoline Model (NR Series))  Power Source Mode does not Change to ON (ACC)  


DESCRIPTION

If the engine switch is pressed with the electrical key transmitter sub-assembly in the cabin, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode.

Related Data List and Active Test Items
Problem Symptom Data List and Active Test
Power source mode does not change to on (ACC) but does change to on (IG)
Power Source Control
·

Power Supply Condition

·

ACC Relay Monitor


Starting Control
·

Ignition



WIRING DIAGRAM

B481556E41
2.198,1.396 2.76,1.667 0.563,0.271 10 false ACC 1.094,1.656 4.042,1.906 2.948,0.25 10 false Driver Side Junction Block Assembly 5.49,1.625 6.052,1.896 0.563,0.271 10 false I1 5.479,1.792 6.99,2.25 1.51,0.458 10 false Certification ECU (Smart Key ECU Assembly) 5.792,1.042 6.354,1.313 0.563,0.271 10 false ACCD 5.531,1.042 6.094,1.313 0.563,0.271 10 false 16 6.125,0.646 6.688,0.917 0.563,0.271 10 false +B 0.854,0.635 1.417,0.906 0.563,0.271 10 false 4A 0.865,1.115 1.427,1.385 0.563,0.271 10 false 4F 3.417,0.635 3.979,0.906 0.563,0.271 10 false 4D 3.458,0.458 4.021,0.729 0.563,0.271 10 false 1 3.438,0.948 4,1.219 0.563,0.271 10 false 30 0.896,0.938 1.458,1.208 0.563,0.271 10 false 3 0.854,0.458 1.417,0.729 0.563,0.271 10 false 26 1.323,0.792 2.094,1.042 0.771,0.25 10 false ECU-ACC 3.427,1.115 3.99,1.385 0.563,0.271 10 false 4E 6.563,0.979 6.948,1.281 0.385,0.302 10 false IC

CAUTION / NOTICE / HINT

NOTICE:
·

When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

·

The smart entry and start system (for Start Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart entry and start system (for Start Function) after confirming that the communication systems are functioning properly.

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Start Function, Gasoline Model (NR Series))>HOW TO PROCEED WITH TROUBLESHOOTING

·

Make sure that no DTCs are output. If any DTCs are output, proceed to Diagnostic Trouble Code Chart.

·

If the smart entry and start system (for Start Function) has been disabled, enable the system before performing troubleshooting.

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Start Function, Gasoline Model (NR Series))>CUSTOMIZE PARAMETERS

·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

Before replacing the certification ECU (smart key ECU assembly), refer to Service Bulletin.

·

After completing repairs, confirm that the problem does not recur.

·

After performing repairs, confirm that no DTCs are output by performing "DTC Output Confirmation Operation."



HINT:
·

If interior verification is unsuccessful, Operation History may be stored.

·

If Operation History has been stored, refer to the Operation History List to determine the detection conditions and narrow down trouble areas.



Body Electrical > Entry&Start > Utility
Tester Display
Operation History
50005 125 52

PROCEDURE

1.CHECK POWER SOURCE MODE
a.

Get into the vehicle while carrying the electrical key transmitter sub-assembly that has already been registered.


b.

Move the shift lever to P.


c.

Press the engine switch with the brake pedal released and check that the power source mode changes.

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Start Function, Gasoline Model (NR Series))>OPERATION CHECK


Result:
Result Proceed to
Power source mode cannot be changed A
Power source mode can be changed B



A

2.CHECK FOR DTC

B

CHECK OPERATION HISTORY

2.CHECK FOR DTC
a.

Using the GTS, check for certification ECU (smart key ECU assembly) DTCs.

Body Electrical > Power Source Control > Trouble Codes
50001 223
Body Electrical > Entry&Start > Trouble Codes
50001 125
Body Electrical > Starting Control > Trouble Codes
50001 221

Result:
Result Proceed to
DTCs are not output A
Smart entry and start system (for Start Function) DTCs are output B



A

3.CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>SMART ENTRY AND START SYSTEM (for Start Function, Gasoline Model (NR Series))>DIAGNOSTIC TROUBLE CODE CHART


3.CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
a.
B511269C11
1.573,0.094 1.99,0.344 0.417,0.25 1.094,1.938 1.281,1.938 1.281,1.938 1.281,0.99 true 0.094,0.063 0.406,0.219 0.313,0.156 10 false *a 1.729,0.135 2.042,0.292 0.313,0.156 10 false I1 0.688,1.854 1.406,2.052 0.719,0.198 10 false ACCD
*a Component with harness connected
(Certification ECU (Smart Key ECU Assembly))


Connect the I1 certification ECU (smart key ECU assembly) connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
I1-16 (ACCD) - Body ground Engine switch off → Engine switch on (ACC) 1 V or less → 9 V or higher



Result:
Proceed to
OK
NG



OK

4.CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND BODY GROUND)

NG

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

4.CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND BODY GROUND)
a.

Disconnect the I1 certification ECU (smart key ECU assembly) connector.


b.

Disconnect the 4D, 4E and 4F driver side junction block assembly connectors.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I1-16 (ACCD) - 4E-30 Always Below 1 Ω
4F-3 - Body ground Always Below 1 Ω
I1-16 (ACCD) or 4E-30 - Other terminals and body ground Always 10 kΩ or higher



d.

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

Standard Voltage:
Tester Connection Condition Specified Condition
4D-1 - Body ground Always 11 to 14 V



Result:
Proceed to
OK
NG



OK

5.CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (ACC RELAY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (ACC RELAY)
a.

Remove the driver side junction block assembly.

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


b.

Connect all of the driver side junction block assembly connectors.


c.

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

B463118C42
2.26,2.333 2.573,2.542 0.313,0.208 0.083,0.125 0.396,0.281 0.313,0.156 10 false *a 2.323,2.344 2.635,2.5 0.313,0.156 10 false 4A
*a Component with harness connected
(Driver Side Junction Block Assembly) 		- -


Standard Voltage:
Tester Connection Condition Specified Condition
4A-26 - Body ground Engine switch on (IG) 11 to 14 V



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL