RM35X0E _56 Audio / Visual / Telematics _079315 PARK ASSIST / MONITORING _0385761 TOYOTA PARKING ASSIST-SENSOR SYSTEM J

PARK ASSIST / MONITORING  TOYOTA PARKING ASSIST-SENSOR SYSTEM  Clearance Warning ECU Power Source Circuit  


DESCRIPTION

This circuit provides power to operate the clearance warning ECU assembly.

WIRING DIAGRAM

E240921E49
5.563,0.479 5.729,0.646 0.167,0.167 10 false IG 5.271,0.385 5.729,0.74 0.458,0.354 10 false 12 5.563,1.292 5.729,1.458 0.167,0.167 10 false E 5.448,1.729 5.781,1.917 0.333,0.188 10 false N48 3.188,0.646 4.313,0.875 1.125,0.229 10 false ECU-IG1 NO.3 0.146,0.49 1.458,0.875 1.313,0.385 10 false from IG1 NO.1 Relay 5.448,1.906 6.719,2.292 1.271,0.385 10 false Clearance Warning ECU Assembly 5.292,1.188 5.469,1.354 0.177,0.167 10 false 27

CAUTION / NOTICE / HINT

NOTICE:

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


PROCEDURE

1.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BATTERY AND BODY GROUND)
a.
E309541C29
1.448,0.25 1.948,0.5 0.5,0.25 2.292,1 2.583,0.5 2.583,0.5 2.75,0.5 true 1.083,1.75 1.25,1.75 1.25,1.75 1.469,1.167 true 1.573,0.302 2.031,0.5 0.458,0.198 10 false N48 2.833,0.417 3.292,0.615 0.458,0.198 10 false IG 0.135,0.094 0.448,0.292 0.313,0.198 10 false *a 0.927,1.667 1.083,1.865 0.156,0.198 10 false E
*a Front view of wire harness connector
(to Clearance Warning ECU Assembly)


Disconnect the clearance warning ECU assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
N48-27 (E) - Body ground Always Below 1 Ω



c.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
N48-12 (IG) - Body ground Ignition switch ON 11 to 14 V
N48-12 (IG) - Body ground Ignition switch off Below 1 V



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR