DESCRIPTION
This DTC does not indicate a malfunction. The power steering ECU assembly stores this DTC when it determines that torque sensor zero point calibration has not been performed.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
---|---|---|---|---|---|---|
C1515 |
Torque Sensor Zero Point Adjustment Undone |
This DTC is stored when torque sensor zero point calibration has not been performed. |
- |
EPS warning light: Comes on |
Zero point calibration is performed or the ignition switch is turned ON again |
There is no malfunction if this DTC is not output again after performing zero point calibration. |
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. |
CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
Click here
Tester Display |
---|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
Click here
HINT:
If DTCs are output, perform steps (1) and (2) two more times.
Result |
Proceed to |
---|---|
DTCs are still output after performing steering zero point calibration 3 times. |
A |
Normal system code is output. |
B |
B | ![]() |
END |
|
2. |
REPLACE POWER STEERING ECU ASSEMBLY |
(a) Replace the power steering ECU assembly.
Click here
|
3. |
CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
Click here
Tester Display |
---|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
Click here
HINT:
If DTCs are output, perform steps (1) and (2) two more times.
Result |
Proceed to |
---|---|
DTCs are still output after performing steering zero point calibration 3 times. |
A |
Normal system code is output. |
B |
A | ![]() |
REPLACE ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY |
B | ![]() |
END |
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
Toyota CH-R Service Manual > Brake Booster: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL VACUUM WARNING SWITCH ASSEMBLY
(a) Install a new check valve grommet to the brake booster assembly.
(b) Install the vacuum sensor assembly to the brake booster assembly
as shown in the illustration.
...