Toyota Parking Assist-Sensor System Clearance Warning Ecu Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BATTERY)
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BODY GROUND)
TOYOTA PARKING ASSIST-SENSOR SYSTEM - Clearance Warning ECU Power Source Circuit |
DESCRIPTION
This circuit provides power to operate the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BATTERY) |
Disconnect the O28 connector from the clearance warning ECU.
Measure the voltage according to the value(s) on the table below.
- Standard Voltage:
Tester Connection
| Condition
| Specified Condition
|
O28-15 (IG) - Body ground
| Ignition switch ON
| 11 to 14 V
|
O28-15 (IG) - Body ground
| Ignition switch off
| Below 1 V
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 2.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BODY GROUND) |
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
O28-17 (E) - Body ground
| Always
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
