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.
Click here
(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.
Click here
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:
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(a) Remove the main body ECU (multiplex network body ECU). Click here
*1 Power Distribution Box Assembly
*2 Main Body ECU (Multiplex Network Body ECU)
(b) Reconnect the powe
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU uses the inverter voltage to monitor the HV battery voltage and detect malfunctions.
The cause of this malfunction may be the following: Inverter with converter assembly malfunction (Boost converter system)
VL sensor malfun
