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 |
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR WHEELS
2. SEPARATE REAR STABILIZER LINK ASSEMBLY LH
(a) Remove the nut and separate the rear stabilizer link assembly LH
from the rear stabilizer bar.
Text in Illustration
*1
...
LIN Communication Bus Malfunction (B2325)
DESCRIPTION
The main body ECU (driver side junction block assembly) monitors communication
between all the ECUs connected to the door bus lines. When the main body ECU (driver
side junction block assembly) detects errors in communication with all the ECUs ...
Disposal
DISPOSAL
PROCEDURE
1. DISPOSE OF FRONT SHOCK ABSORBER ASSEMBLY
(a) Position the front shock absorber assembly level with the piston
rod fully extended. Using a drill, make a hole in the cylinder between A
and B as shown in the illustratio ...