RM3660EC _56 Audio / Visual / Telematics _080751 AUDIO / VIDEO _0392314 AUDIO AND VISUAL SYSTEM(for Gasoline Model with Radio and Display Type (except 10.25 Inch Display)) J

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(for Gasoline Model with Radio and Display Type (except 10.25 Inch Display))  Parking Brake Switch Circuit  


DESCRIPTION

This circuit is from the skid control ECU (brake actuator assembly) to the radio and display receiver assembly.

WIRING DIAGRAM

E372242E71
2.5,1.469 3.104,1.708 0.604,0.24 10 false A51 2.5,1.635 4.021,2.083 1.521,0.448 10 false Skid Control ECU (Brake Actuator Assembly) 3.688,0.99 4.292,1.229 0.604,0.24 10 false 35 5.219,1.99 5.823,2.229 0.604,0.24 10 false I166 5.219,2.146 6.406,2.594 1.188,0.448 10 false Radio and Display Receiver Assembly 5.417,1.083 6.021,1.323 0.604,0.24 10 false PKB 5.146,0.99 5.75,1.229 0.604,0.24 10 false 15 3.313,1.115 3.917,1.354 0.604,0.24 10 false PKB

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 (SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) - RADIO AND DISPLAY RECEIVER ASSEMBLY)

NG

GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System)>HOW TO PROCEED WITH TROUBLESHOOTING


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

Disconnect the I166 radio and display 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
I166-15 (PKB) - A51-35 (PKB) Always Below 1 Ω
I166-15 (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>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (for Gasoline Model with Radio and Display Type (except 10.25 Inch Display))>PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR