ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK STEERING EFFORT (TORQUE)
NOTICE:
These service operations may affect the SRS airbags. Be sure to read the precautionary notices concerning the SRS airbag system before servicing.
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(a) Stop the vehicle on a level, paved surface and align the wheels straight ahead.
(b) Remove the horn button assembly.
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(c) Connect the cable to the negative (-) battery terminal.
(d) Using a torque wrench, check that the steering wheel set nut is properly tightened.
Torque:
50 N·m {510 kgf·cm, 37 ft·lbf}
(e) Turn the engine running so that the power steering is ready to operate.
(f) Turn the steering wheel 90 degrees to the right and check steering effort (torque) with the steering wheel turned. Check in the opposite direction using the same method.
Standard Steering Effort (Reference):
5.5 N*m (56 kgf*cm, 49 in.*lbf) or less
(g) Align the front wheels facing straight ahead.
(h) Turn the ignition switch off.
(i) Disconnect the cable from the negative (-) battery terminal.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
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(j) Install the horn button assembly.
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Diagnostic Trouble Code Chart
Assist Map Number Mismatch (C1582)Toyota CH-R Service Manual > Power Steering System: Assist Map Number Mismatch (C1582)
DESCRIPTION
When an incorrect ECM, main body ECU (multiplex network body ECU) or skid control
ECU (brake actuator assembly) is installed after the assist map has been written
to the power steering ECU assembly, DTC C1582 is stored because the information
stored in the power steering ECU assem ...
Toyota CH-R Service Manual > Vehicle Stability Control System: Acceleration Sensor Malfunction (C1420)
DESCRIPTION
This DTC is stored when the skid control ECU (brake actuator assembly) detects
an abnormality in the difference between the acceleration sensor value and the control
value estimated based on the yaw rate sensor, steering angle sensor and speed sensor
signals.
DTC No.
...