Basic inspection
Audio systemP0037, P0038, P0057, P0058 HO2S2 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 2 heater
corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DT ...
P0116 ECT sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the c ...
Pre-inspection for diagnostic
Pre-Inspection for Multi-System Diagnostic
The engine start function, door lock function, power distribution system and
NATS-IVIS/NVIS are closely
related to each other. Narrow down the system in question by performing this
inspection to identify which system
is malfunctioning. For example, ...