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 |
Installation
INSTALLATION
PROCEDURE
1. INSTALL POWER DISTRIBUTION
(a) Connect the 3 connectors.
(b) Engage the 2 claws to temporarily install the power distribution
as shown in the illustration.
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
When disconnecting the steering intermediate shaft assembly and pinion shaft
of steering gear assembly, be sure to place matchmarks before servicing.
PROCEDURE
1. INSTALL TIE ROD ASSEMBLY LH
(a) I ...
Regulations on the use of tire chains
• Regulations regarding the use of tire chains vary according to location and
type of road. Always check local regulations before installing chains.
• Retighten the chains after driving 1/4 - 1/2 mile (0.5 - 1.0 km).
- Tire chains
Observe the fo ...