RM35X0E _58 Vehicle Interior _078378 THEFT DETERRENT / KEYLESS ENTRY _0386642 IMMOBILISER SYSTEM(w/o Entry and Start System) J

THEFT DETERRENT / KEYLESS ENTRY  IMMOBILISER SYSTEM(w/o Entry and Start System)  Security Indicator Light Does not Blink  


DESCRIPTION

·

The transponder key ECU assembly blinks the combination meter assembly (security indicator light) when the immobiliser is set (no key is in the ignition key cylinder).

·

The main body ECU (multiplex network body ECU) blinks the combination meter assembly (security indicator light) when the theft deterrent system is in the arming preparation state or alarm sounding state.*


*: w/ Theft Deterrent System


WIRING DIAGRAM

B506679E06
0.729,1.313 1.177,1.542 0.448,0.229 10 false N22 0.771,1.125 1.219,1.354 0.448,0.229 10 false 23 2.76,1.323 3.208,1.552 0.448,0.229 10 false N23 2.833,1.115 3.281,1.344 0.448,0.229 10 false 7 1.104,1.323 1.552,1.552 0.448,0.229 10 false ET 2.458,1.313 2.906,1.542 0.448,0.229 10 false LP 0.979,2.177 3.271,2.615 2.292,0.438 10 false Combination Meter Assembly (Security Indicator Light) 0.208,5.323 2.073,5.583 1.865,0.26 10 false *: w/ Theft Deterrent System 5.469,2.125 5.917,2.354 0.448,0.229 10 false N66 5.479,2.281 6.542,2.688 1.063,0.406 10 false Transponder Key ECU Assembly 5.188,4.635 5.635,4.865 0.448,0.229 10 false N19 5.198,4.802 6.833,5.302 1.635,0.5 10 false Main Body ECU (Multiplex Network Body ECU) 4.656,3.958 5.104,4.188 0.448,0.229 10 false * 5.427,1.208 5.875,1.438 0.448,0.229 10 false IND 5.198,1.198 5.646,1.427 0.448,0.229 10 false 8 5.458,3.729 5.906,3.958 0.448,0.229 10 false IND 5.219,3.719 5.667,3.948 0.448,0.229 10 false 7

CAUTION / NOTICE / HINT

NOTICE:
·

Before replacing the transponder key ECU assembly, refer to the Service Bulletin.

·

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

·

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

·

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



PROCEDURE

1.PERFORM ACTIVE TEST USING GTS (SECURITY INDICATOR)
a.

Connect the GTS to the DLC3.


b.

Turn the ignition switch to ON.


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Immobiliser or Main Body* / Active Test.

*: w/ Theft Deterrent System



e.

Perform the Active Test according to the display on the GTS.

Body Electrical > Immobiliser > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Security Indicator Combination meter assembly (security indicator light) ON/OFF -
Body Electrical > Immobiliser > Active Test
Tester Display
Security Indicator
50004 260 1
Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note
Security Indicator Combination meter assembly (security indicator light) ON/OFF w/ Theft Deterrent System
Body Electrical > Main Body > Active Test
Tester Display
Security Indicator
50004 123 19

Result:
Result Proceed to
Combination meter assembly (security indicator light) operation is normal when performing the "Main Body" and "Immobiliser" Active Test A
w/ Theft Deterrent System
·

Combination meter assembly (security indicator light) operation is not normal when performing the "Immobiliser" Active Test

·

Combination meter assembly (security indicator light) operation is normal when performing the "Main Body" Active Test


B
w/ Theft Deterrent System
·

Combination meter assembly (security indicator light) operation is normal when performing the "Immobiliser" Active Test

·

Combination meter assembly (security indicator light) operation is not normal when performing the "Main Body" Active Test


C
Combination meter assembly (security indicator light) operation is not normal when performing the "Main Body" and "Immobiliser" Active Test D



A

2.CHECK COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) OPERATION

B

3.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - TRANSPONDER KEY ECU ASSEMBLY)

C

4.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

D

5.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
2.CHECK COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) OPERATION
a.

When the immobiliser is set, check that the combination meter assembly (security indicator light) blinks.*1

OK:

The combination meter assembly (security indicator light) blinks normally.



b.

When the theft deterrent system is in the arming preparation state, check that the combination meter assembly (security indicator light) is on.*2

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>THEFT DETERRENT SYSTEM>SYSTEM DESCRIPTION

OK:

The combination meter assembly (security indicator light) is on.



Result:
Result Proceed to
Both *1 and *2 are OK A
*1 is NG (*2 is OK) B
*2 is NG (*1 is OK) C
Both *1 and *2 are NG D



A

USE SIMULATION METHOD TO CHECK

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


B

REPLACE TRANSPONDER KEY ECU ASSEMBLY

C

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

for LHD:

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL


D

REPLACE COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT)

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL


3.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - TRANSPONDER KEY ECU ASSEMBLY)
a.

Disconnect the N23 combination meter assembly (security indicator light) connector.


b.

Disconnect the N66 transponder key ECU assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N66-8 (IND) - N23-7 (LP) Always Below 1 Ω
N66-8 (IND) or N23-7 (LP) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TRANSPONDER KEY ECU ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
a.

Disconnect the N23 combination meter assembly (security indicator light) connector.


b.

Disconnect the N19 main body ECU (multiplex network body ECU) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N19-7 (IND) - N23-7 (LP) Always Below 1 Ω
N19-7 (IND) or N23-7 (LP) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

for LHD:

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for LHD)>REMOVAL

for RHD:

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU (for RHD)>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
a.

Disconnect the N23 combination meter assembly (security indicator light) connector.


b.

w/ Theft Deterrent System

Disconnect the N19 main body ECU (multiplex network body ECU) connector.


c.

Disconnect the N66 transponder ECU assembly connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N19-7 (IND) - N23-7 (LP) Always Below 1 Ω
N19-7 (IND) or N23-7 (LP) - Other terminals and body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

6.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT) - BODY GROUND)
a.
C406366C38
1.5,0.073 1.885,0.333 0.385,0.26 0.646,1.375 0.5,1.917 0.5,1.917 0.333,1.917 true 0.115,0.083 0.427,0.24 0.313,0.156 10 false *a 1.563,0.125 1.885,0.313 0.323,0.188 10 false N22 0.115,1.833 0.417,2.167 0.302,0.333 10 false ET
*a Front view of wire harness connector (to Combination Meter Assembly)


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

Standard Resistance:
Tester Connection Condition Specified Condition
N22-23 (ET) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE COMBINATION METER ASSEMBLY (SECURITY INDICATOR LIGHT)

Click hereVehicle Interior>METER / GAUGE / DISPLAY>COMBINATION METER>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR