DESCRIPTION
If the power steering ECU detects these DTCs, it will shut off the motor relay circuit (built into the power steering ECU) and stop power assist. However, power assist continues if DTC C1533 or C1534 is stored.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1521 |
Motor overcurrent |
Power steering ECU |
C1531 |
ECU internal malfunction (CPU malfunction) |
Power steering ECU |
C1532 |
ECU internal malfunction (Peripheral circuit malfunction) |
Power steering ECU |
C1533 |
ECU internal malfunction (Substrate temperature sensor malfunction) |
Power steering ECU |
C1534 |
ECU internal malfunction (EEPROM error) |
Power steering ECU |
C1554 |
Power source relay circuit malfunction |
Power steering ECU |
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU has been replaced with a new one, perform the rotation
angle sensor initialization and torque sensor zero point calibration (See page
).
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
OK:
DTC is not output.
OK | ![]() |
CHECK INTERMITTENT PROBLEMS |
NG | ![]() |
REPLACE POWER STEERING ECU |
Glass Position Initialization Incomplete (B2313)
DESCRIPTION
The power window regulator motor assembly is operated by the power window regulator
master switch assembly or power window regulator switch assembly. The power window
regulator motor assembly has motor, regulator and ECU functions.
When the E ...
Radio Broadcast cannot be Received or Poor Reception
PROCEDURE
1.
CHECK NAVIGATION RECEIVER ASSEMBLY
(a) Check the radio automatic station search function.
(1) Check the radio automatic station search function by activating it.
Result
Proceed to
...
Back Door cannot be Opened
DESCRIPTION
When the back door cannot be opened, one of the following may be malfunctioning:
1) power back door ECU (power back door motor unit)*1 or back door closer ECU (multiplex
network door ECU)*2, 2) back door lock assembly, 3) back door opener swit ...