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
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ON-VEHICLE INSPECTION
PROCEDURE
1. SECURE VEHICLE
(a) Fully apply the parking brake and chock a wheel.
CAUTION:
Make sure to apply the parking brake and chock a wheel before performing
this procedure.
If the vehicle is not secure and the shift lever is moved to N, the vehicle
may s
MONITOR DESCRIPTION The fuel pump control ECU has a self-diagnosis function. If there is an internal malfunction, the fuel pump control ECU sends a malfunction signal to the ECM via the FPC drive circuit.
Based on the signal, the ECM judges that there is a malfunction in the fuel pump control ECU
