The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.
Removal
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the auto light sensor
(A) from crash pad upper side by using screw (-) driver.
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The Other Fuses And Relays Component. Repair procedures
Inspection
Power Relay Test (Type B)Check for continuity between the terminals.
A : Two turn unlock relay
1.
There should be continuity between
the No.30 and No.87 terminals when power ...
SRS Control Module (SRSCM). Components and Components Location
Components
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