DESCRIPTION
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
---|---|---|---|---|---|---|
C1521 |
Short in Motor Circuit |
Motor overcurrent |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1522 |
Power Supply Sensor |
Motor current sensor malfunction |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1523 |
Current Deviation Excessive |
Excessively large current deviation |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1528 |
Motor Rotation Angle Sensor |
Motor rotation angle sensor malfunction |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1531 |
ECU Malfunction |
ECU internal malfunction (CPU malfunction) |
Power steering ECU assembly |
EPS warning light: Comes on |
The ECU judges the system has returned to normal or the ignition switch is turned ON again |
- |
C1532 |
ECU Malfunction |
ECU internal malfunction (Peripheral circuit malfunction) |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1533 |
Temperature Sensor Circuit is Low or High |
ECU internal malfunction (Substrate temperature sensor malfunction) |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1534 |
EEPROM |
ECU internal malfunction (EEPROM error) |
Power steering ECU assembly |
EPS warning light: Comes on |
Ignition switch ON again |
- |
C1555 |
Motor Relay Welding Failure |
Motor relay circuit malfunction |
Power steering ECU assembly |
EPS Warning Light: Comes on |
Ignition switch ON again |
- |
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTCs other than C1521, C1522, C1523, C1528, C1531, C1532, C1533, C1534 or C1555 are not output. |
A |
DTCs other than C1521, C1522, C1523, C1528, C1531, C1532, C1533, C1534 or C1555 are output. |
B |
A | ![]() |
REPLACE POWER STEERING ECU ASSEMBLY |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART
|
Toyota CH-R Service Manual > Power Window Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power window control
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Toyota CH-R Service Manual > Instrument Panel Speaker: Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP
Click here
2. REMOVE FRONT PILLAR GARNISH ASSEMBLY
Click here
3 ...