Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY
(a) Disengage the clamp and disconnect the engine oil pressure switch connector. |
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(b) Using a 24 mm deep socket wrench, remove the engine oil pressure switch assembly. |
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Inspection
INSPECTION
PROCEDURE
1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY
(a) Disconnect the engine oil pressure switch connector.
(b) Start the engine.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 - Body ground |
Engine stopped |
Below 1 Ω |
Engine idling |
10 kΩ or higher |
If the result is not as specified, replace the engine oil pressure switch assembly.
(d) Connect the engine oil pressure switch connector.
Installation
INSTALLATION
PROCEDURE
1. INSTALL ENGINE OIL PRESSURE SWITCH ASSEMBLY
(a) Apply adhesive to 2 or 3 threads of the engine oil pressure switch assembly.
Adhesive:
Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent
NOTICE:
Do not apply adhesive to the oil inlet port of the engine oil pressure switch assembly.
(b) Using a 24 mm deep socket wrench, install the engine oil pressure switch assembly.
Torque:
15 N·m {153 kgf·cm, 11 ft·lbf}
NOTICE:
Do not start the engine within 1 hour of installation.
(c) Connect the engine oil pressure switch connector and attach the clamp.
2. INSPECT FOR ENGINE OIL LEAK
3. INSPECT ENGINE OIL LEVEL
Headlight Dimmer Switch Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) receives the following switch
information:
Light control switch position is off (DRL OFF), tail, head or AUTO (DRL).
Dimmer switch position is high, low or high flash (pass).
Front fog light switch position is on or off ...
General maintenance
Listed below are the general maintenance items that should be performed at
the intervals specified in the “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement”. It is recommended that any problem you notice should be brought to
the attention of your Toyota dealer or qualified ...
Terminals Of Ecu
TERMINALS OF ECU
CHECK ECM
HINT:
The standard voltage, resistance and waveform between each pair of the ECM terminals
is shown in the table below. The appropriate conditions for checking each pair of
the terminals is also indicated. The result of checks should be compared with the
standar ...