Inspection
Tire Pressure Warning EcuNavigation Voice Circuit
DESCRIPTION
This circuit is used when the voice switch of the steering pad switch assembly
is pushed.
Using this circuit, the navigation receiver assembly sends signals to the stereo
component amplifier assembly.
WIRING DIAGRAM
PROCEDURE
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Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR
SYSTEM)
(a) Disconnect the L20 power back door ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
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Engine Coolant Temperature Circuit Malfunction (P0115,P0117,P0118)
DESCRIPTION
A thermistor, whose resistance value varies according to the engine coolant temperature,
is built into the engine coolant temperature sensor.
The structure of the sensor and its connection to the ECM are similar to those
of the intake air tem ...