DESCRIPTION
This DTC is stored when there is an open or short circuit in the communication line between the rear sensors and the ECU, or when there is a malfunction in a rear sensor.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1AED |
An open or short circuit in the communication line between the rear sensors and ECU or a malfunction in a rear sensor during initialization mode after the ignition switch is turned ON. |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK DTC OUTPUT (C1AED) |
(a) Check for DTCs (See page ).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC C1AED is output |
A |
No DTCs are output |
B |
B | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - REAR CORNER SENSOR RH) |
(a) Disconnect the C30 connector from the clearance warning ECU assembly.
(b) Disconnect the R43 connector from the No. 1 ultrasonic sensor.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
C30-22 (BOR) - R43-1 (BI) |
Always |
Below 1 Ω |
C30-24 (SOR) - R43-3 (SI) |
||
C30-23 (E1) - R43-5 (EI) |
||
C30-22 (BOR) - Body ground |
10 kΩ or higher |
|
C30-24 (SOR) - Body ground |
||
C30-23 (E1) - Body ground |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (REAR CORNER SENSOR RH - REAR CENTER SENSOR RH) |
(a) Disconnect the R43 and R41 connectors from the No. 1 ultrasonic sensors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R43-2 (BO) - R41-1 (BI) |
Always |
Below 1 Ω |
R43-4 (SO) - R41-3 (SI) |
||
R43-6 (EO) - R41-5 (EI) |
||
R43-2 (BO) - Body ground |
10 kΩ or higher |
|
R43-4 (SO) - Body ground |
||
R43-6 (EO) - Body ground |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (REAR CENTER SENSOR RH - REAR CENTER SENSOR LH) |
(a) Disconnect the R41 and R40 connectors from the No. 1 ultrasonic sensors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R41-2 (BO) - R40-1 (BI) |
Always |
Below 1 Ω |
R41-4 (SO) - R40-3 (SI) |
||
R41-6 (EO) - R40-5 (EI) |
||
R41-2 (BO) - Body ground |
10 kΩ or higher |
|
R41-4 (SO) - Body ground |
||
R41-6 (EO) - Body ground |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (REAR CENTER SENSOR LH - REAR CORNER SENSOR LH) |
(a) Disconnect the R40 and R42 connectors from the No. 1 ultrasonic sensors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R40-2 (BO) - R42-1 (BI) |
Always |
Below 1 Ω |
R40-4 (SO) - R42-3 (SI) |
||
R40-6 (EO) - R42-5 (EI) |
||
R40-2 (BO) - Body ground |
10 kΩ or higher |
|
R40-4 (SO) - Body ground |
||
R40-6 (EO) - Body ground |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
INSPECT NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR RH) |
(a) Remove the No. 1 ultrasonic sensor (rear corner sensor RH) (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR RH) |
|
7. |
INSPECT NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR RH) |
(a) Remove the No. 1 ultrasonic sensor (rear center sensor RH) (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR RH) |
|
8. |
INSPECT NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH) |
(a) Remove the No. 1 ultrasonic sensor (rear center sensor LH) (See page
).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH) |
|
9. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR RH) |
|
10. |
CHECK DTC OUTPUT (C1AED) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC C1AED is output |
A |
No DTCs are output |
B |
B | ![]() |
END (REAR CORNER SENSOR RH WAS DEFECTIVE) |
|
11. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR RH) |
|
12. |
CHECK DTC OUTPUT (C1AED) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC C1AED is output |
A |
No DTCs are output |
B |
B | ![]() |
END (REAR CENTER SENSOR RH WAS DEFECTIVE) |
|
13. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR LH) |
|
14. |
CHECK DTC OUTPUT (C1AED) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC C1AED is output |
A |
No DTCs are output |
B |
B | ![]() |
END (REAR CENTER SENSOR LH WAS DEFECTIVE) |
|
15. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CORNER SENSOR LH) |
|
16. |
CHECK DTC OUTPUT (C1AED) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC C1AED is output |
A |
No DTCs are output |
B |
A | ![]() |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
B | ![]() |
END (REAR CORNER SENSOR LH WAS DEFECTIVE) |
ECU Power Source Circuit
DESCRIPTION
The IG circuit is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write th ...
Washer Level Warning Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LEVEL WARNING SWITCH ASSEMBLY
HINT:
This check should be performed with the windshield washer motor and pump assembly
installed on the washer jar.
(a) Fill the washer jar with washer fluid.
(b) ...
Transmission Range Sensor "A" Circuit Open (P070513,P070562)
DESCRIPTION
The park/neutral position switch detects the shift lever position and sends signals
to the ECM.
DTC No.
DTC Detection Condition
Trouble Area
SAE
P070513
All of the following signals are OFF simultaneously for 60 ...