DESCRIPTION
If the power steering ECU detects a malfunction, the P/S warning light comes on. At this time, the power steering ECU stores a DTC in its memory.
WIRING DIAGRAM
1. w/ Smart Key System
2. w/o Smart Key System
CAUTION / NOTICE / HINT
NOTICE:
If the power steering ECU has been replaced with a new one, perform the rotation angle sensor initialization and torque sensor zero point calibration (See page ).
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR |
(a) Turn the ignition switch to ON.
(b) Check the indication condition of the P/S warning light by wiggling the power steering ECU connector and wire harness up and down, and right and left.
OK:
P/S warning light indication condition does not change.
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM) |
(a) Check for DTCs (See page ).
OK:
DTC is not output.
NG |
GO TO CAN COMMUNICATION SYSTEM |
|
3. |
READ VALUE USING TECHSTREAM (IG POWER SUPPLY) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / EMPS / Data List.
(f) Select the items "IG Power Supply" in the Data List and read the value displayed on the Techstream.
EMPS
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
IG Power Supply |
ECU power source voltage/ Min.: 0 V Max.: 20.1531 V |
11 to 14 V |
Ignition switch ON |
OK:
Normal condition value is displayed the Techstream.
Result
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2GR-FE) |
B |
NG (for 1AR-FE) |
C |
B |
INSPECT CHARGING SYSTEM |
C |
INSPECT CHARGING SYSTEM |
|
4. |
CHECK HARNESS AND CONNECTOR (POWER STEERING ECU - BODY GROUND) |
(a) Disconnect the connectors from the power steering ECU. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
D20-6 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D19-2 (PGND) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Power Steering ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
REPLACE POWER STEERING ECU |
(a) Replace the power steering ECU (See page ).
(b) Check the P/S warning light condition.
OK:
P/S warning light remains on when the ignition switch is ON and goes off after engine start.
OK |
END |
NG |
GO TO METER / GAUGE SYSTEM |
Power Back Door Main Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT POWER BACK DOOR MAIN SWITCH
(a) Check that the switch function.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
...
Engine Oil Cooler
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE EXHAUST MANIFOLD ASSEMBLY
HINT:
See page
2. DRAIN ENGINE OIL
3. DRAIN ENGINE COOLANT
4. REMOVE OIL COOLER ASSEMBLY
(a) Remove the nut, union bolt, seal ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DISCHARGE HEADLIGHT BULB
NOTICE:
Confirm the following items before replacing a discharge headlight bulb. If a
malfunction is discovered and repaired, perform the inspection again to confirm
the repair.
...