RM3660EC _56 Audio / Visual / Telematics _080752 NAVIGATION / MULTI INFO DISPLAY _0391865 NAVIGATION SYSTEM(for Gasoline Model with RST Switch) J

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM(for Gasoline Model with RST Switch)  Parking Brake Switch Circuit  


DESCRIPTION

This circuit is from the parking brake ECU (brake actuator assembly) to the navigation receiver assembly.

WIRING DIAGRAM

E372242E78
5.125,0.99 5.583,1.188 0.458,0.198 10 false 15 5.417,1.094 5.875,1.292 0.458,0.198 10 false PKB 5.146,2 5.604,2.198 0.458,0.198 10 false I169 5.146,2.146 6.375,2.604 1.229,0.458 10 false Navigation Receiver Assembly 3.323,1.115 3.781,1.313 0.458,0.198 10 false PKB 2.188,1.656 4.292,2.125 2.104,0.469 10 false Skid Control ECU (Brake Actuator Assembly) 3.708,0.979 4.823,1.156 1.115,0.177 10 false 35 2.188,1.5 3.479,1.833 1.292,0.333 10 false A51

PROCEDURE

1.CHECK PARKING BRAKE INDICATOR
a.

Check that the parking brake indicator comes on when the parking brake is applied and goes off when it is released.

OK:

The parking brake indicator operates as specified above.


Result:
Proceed to
OK
NG




OK

2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY))

NG

GO TO ELECTRIC PARKING BRAKE SYSTEM

Click hereBrake>PARKING BRAKE>ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING


2.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY))
a.

Disconnect the I169 navigation receiver assembly connector.


b.

Disconnect the A51 skid control ECU (brake actuator assembly) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I169-15 (PKB) - A51-35 (PKB) Always Below 1 Ω
I169-15 (PKB) or A51-35 (PKB) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM (for Gasoline Model with RST Switch)>PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR