Toyota Camry (XV70): Torque Sensor Zero Point Adjustment Undone (C1515)
DESCRIPTION
This DTC does not indicate a malfunction. The power steering ECU (rack and pinion power steering gear assembly) stores this DTC when it determines that torque sensor zero point calibration has not been performed.
When the IG terminal voltage is below 8 V, torque sensor zero point calibration cannot be 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. |
Torque sensor zero point calibration |
EPS warning light: Comes on |
Zero point calibration is performed or the ignition switch is turned to ON again |
There is no malfunction if this DTC is not output again after performing zero point calibration. |
CAUTION / NOTICE / HINT
NOTICE:
If the rack and pinion power steering gear assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here .gif)
PROCEDURE
|
1. | CHECK FOR DTC |
(a) Calibrate the torque sensor zero point. (Step 1)
Chassis > EMPS > Utility|
Tester Display |
|---|
|
Torque Sensor Adjustment |
(b) Check for DTCs. (Step 2)
Chassis > EMPS > Trouble CodesHINT:
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 | .gif) |
REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY
|
| B | |
END |
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