Toyota Corolla Cross: Clearance Warning ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the clearance warning ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY POWER SOURCE) |
(a) Disconnect the I24 clearance warning ECU assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
(1) for HEV Model:
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I24-1 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
|
I24-1 (IG) - Body ground |
Ignition switch off |
Below 1 V |
(2) for Gasoline model:
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I24-1 (IG) - Body ground |
Ignition switch ON |
10.5 to 16 V |
|
I24-1 (IG) - Body ground |
Ignition switch off |
Below 1 V |
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (for HEV Model) |
B |
|
NG (for Gasoline Model) |
C |
| B | .gif)
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| C |
|
GO TO STOP AND START SYSTEM |
|
.gif)
|
2. |
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BODY GROUND) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I24-31 (E) - Body ground |
Always |
Below 1 Ω |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Sensor Frozen Indication (Dirty or Frozen)
DESCRIPTION
When the ultrasonic sensor is dirty or frozen, "Parking Assist
Unavailable Please Clean Parking Assist Sensor" is displayed on the multi-information
display in the combinati
Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY
TERMINAL
NOTICE:
After the ignition switch is turned off, there may be a waiting
time before disconnecting the nega
SEE MORE:
Multi-axis Acceleration Sensor Module "A" (4WD) Signal Bias Level Out of Range
/ Zero Adjustment Failure (C052028,...,C117896)
DESCRIPTION
The airbag ECU assembly has a built-in yaw rate and acceleration
sensor and detects the vehicle condition.
The skid control ECU (brake actuator assembly) receives signals
from the yaw rate and acceleration sensor (airbag ECU assembly) via CAN communication.
These DTCs may be store
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 HEADLIGHT ASSEMBLY
- -
- -
2 WASHER INLET SUB-ASSEMBLY
85301 -
- -
3 FRONT BUMPER ASSEMBLY
- -
- -
4 ADJUST
