Chevrolet Equinox Service Manual: Checking Aftermarket Accessories
Warning:Refer toSIR Warning.
Caution:The OBD II symbol is used on the circuit diagrams in order toalert the technician that the circuit is essential for proper OBDII emission control circuit operation. Any circuit which fails andcauses the malfunction indicator lamp (MIL) to turn ON, or causesemissions-related component damage, is identified as an OBD IIcircuit.
Do not connect aftermarket accessories into the following circuits:
SIR circuits, all such circuits are indicated on circuit diagrams with the SIR symbol.OBD-II circuits, all such circuits are indicated on circuit diagrams with the OBD-IIsymbol.Always check for aftermarket accessories (non-OEM) as the first step in diagnosingelectrical problems. If the vehicle is so equipped, disconnect the system to verifythat these add-on accessories are not the cause of the problems.
Possible causes of vehicle problems related to aftermarket accessories include:
Power feeds connected to points other than the batteryAntenna locationTransceiver wiring located too close to vehicle electronic modules or wiringPoor shielding or poor connectors on antenna feed lineCheck for recent service bulletins detailing installation guidelines for aftermarketaccessories.
Interior Windnoise
Warning:Refer toAssistant Driving Warning.Interior windnoise is not heard when the window is lowered.Interior windnoise is caused by the air leaving the inside of thevehicle through a seal or a seam.T ...
Approved Equipment for Collision Repair Warning
Warning:To avoid personal injury when exposed to welding flashes orto galvanized (Zinc Oxide) metal toxic fumes while grinding/cuttingon any type of metal or sheet molded compound, you must work in ap ...
Other materials:
Driving on Wet Roads
Rain and wet roads can reduce
vehicle traction and affect your
ability to stop and accelerate.
Always drive slower in these types
of driving conditions and avoid
driving through large puddles and
deep-standing or flowing water.
Warning
Wet brakes can cause crashes.
They might n ...
