Toyota Parking Assist-Sensor System (W/O Multi-Display) Clearance Warning Ecu Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BATTERY AND BODY GROUND)
TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/o Multi-display) - Clearance Warning ECU Power Source Circuit |
DESCRIPTION
This circuit is the power source circuit used to operate the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - BATTERY AND BODY GROUND) |
Disconnect the I1 clearance warning ECU connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Switch Condition
| Specified Condition
|
I1-10 (IG) - Body ground
| Ignition switch ON
| 11 to 14 V
|
I1-10 (IG) - Body ground
| Ignition switch off
| Below 1 V
|
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
I1-21 (E) - Body ground
| Always
| Below 1 Ω
|
Text in Illustration*a
| Front view of wire harness connector (to Clearance Warning ECU)
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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