DESCRIPTION
If the power steering ECU assembly detects a malfunction, the power steering ECU assembly stores a DTC and illuminates the EPS warning light.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR |
(a) Jiggle the power steering ECU assembly connectors and wire harness up and down, and left and right to check the illumination condition of the EPS warning light in the combination meter assembly.
OK:
The EPS warning light illumination condition does not change.
HINT:
When the EPS warning light is operating properly, it comes on when the ignition switch is turned to ON and goes off when the engine is started.
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
CAN communication system DTCs are not output. |
A |
CAN communication system DTCs are output. |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM
|
|
3. |
CHECK HARNESS AND CONNECTOR (IG POWER SUPPLY - GROUND) |
(a) Disconnect the F68 and F23 power steering ECU assembly connectors.
*a |
Front view of wire harness connector (to Power Steering ECU Assembly) |
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F23-1 (IG) - Body ground |
Ignition switch ON |
8 to 16 V |
F68-1 (PIG) - Body ground |
Ignition switch ON |
9 to 16 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F68-2 (PGND) - Body ground |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Connect the F68 and F23 power steering ECU assembly connectors.
(b) Perform the Active Test of the combination meter assembly using the Techstream.
Body Electrical > Combination Meter > Active Test
Tester Display |
---|
Indicat. EPS |
(c) Check the combination meter assembly.
OK:
The EPS warning light turns on or off in accordance with the Techstream operation.
OK | ![]() |
REPLACE POWER STEERING ECU ASSEMBLY |
NG | ![]() |
GO TO METER / GAUGE SYSTEM |
Toyota CH-R Service Manual > Occupant Classification Ecu: On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to correctly follow the removal and installation procedures for the occupant
detection ECU.
PROCEDURE
1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check.
Click here
...
Toyota CH-R Service Manual > Exterior Panels / Trim: Rear Wheel House Plate
Components
COMPONENTS
ILLUSTRATION
*1
REAR WHEEL HOUSE FRONT PLATE
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Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side ...