Toyota Corolla Cross: Diagnosis System
DIAGNOSIS SYSTEM
DTC
- The rack and pinion power steering gear assembly stores a DTC when it detects
a malfunction in the ECU and power steering system circuit.
CHECK DLC3
(a) Check the DLC3.
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CHECK WARNING LIGHT
(a) Turn the ignition switch to ON and check the EPS warning light.
OK:
Illuminates the EPS warning light
HINT:
If the EPS warning light does not illuminate, check the EPS warning light circuit.
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(b) Turn the ignition switch to ON and check the EPS warning light.
OK:
EPS warning light off
HINT:
If the EPS warning light does not turn off, check the EPS warning light circuit.
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READ NEXT:
FREEZE FRAME DATA
FREEZE FRAME DATA
NOTICE:
It is difficult to show the specified values (judgment values) clearly because
freeze frame data values change significantly due to differences in
FAIL-SAFE CHART
If a problem occurs in the power steering system, the power steering assist will
be stopped or the amount of power assist will be decreased to protect the system.
Power Steering Sy
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the GTS to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This
SEE MORE:
PRECAUTION
TROUBLESHOOTING PRECAUTION
NOTICE:
Since the Dynamic Torque Control AWD system may be influenced by a malfunction
in other systems, be sure to check for DTCs in the other systems.
When removing and installing the 4WD ECU assembly and each sensor, be sure
to check that the n
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B179316 Load Sensor for Occupant Detection System Circuit Voltage Below Threshold
When the detected voltage is below specified value before supplying