RM35X0E _56 Audio / Visual / Telematics _078379 NAVIGATION / MULTI INFO DISPLAY _0380999 NAVIGATION SYSTEM J

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM  Parking Brake Switch Circuit  


DESCRIPTION

This circuit includes the parking brake switch assembly and radio and display receiver assembly.

WIRING DIAGRAM

E280960E29
3.948,1.521 4.104,1.719 0.156,0.198 10 false 1 5.229,1.49 5.448,1.688 0.219,0.198 10 false 20 5.51,1.635 6.052,1.854 0.542,0.219 10 false PKB 5.385,2.708 5.927,2.927 0.542,0.219 10 false O7 5.385,2.875 6.594,3.302 1.208,0.427 10 false Radio and Display Receiver Assembly 2.885,2.188 4.25,2.542 1.365,0.354 10 false Parking Brake Switch Assembly 2.885,2.01 3.271,2.219 0.385,0.208 10 false N10

PROCEDURE

1.CHECK VEHICLE SIGNAL (OPERATION CHECK)

b.

Check that the display changes between ON and OFF according to the parking brake operation.

OK:
Parking Brake Condition Display
Applied ON
Released OFF


HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual parking brake operation.



Result:
Proceed to
OK
NG



OK

NG

2.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARKING BRAKE SWITCH ASSEMBLY)
2.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARKING BRAKE SWITCH ASSEMBLY)
a.

Disconnect the O7 radio and display receiver assembly connector.


b.

Disconnect the N10 parking brake switch assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O7-20 (PKB) - N10-1 Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT PARKING BRAKE SWITCH ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR