1997 Cruise Control
Butt-Head
Joined: Apr 2004
Posts: 9,437
Likes: 2,925
From: Reed Point, MT
Datastream.
It is possible to check the switches in the system with a meter but it's much easier to use a scanner and look at what the PCM is seeing before guessing and tossing parts at it.
Brake on/off (BOO) switch
Clutch switch (CPP)
Brake pressure switch (BPA)
Parking brake switch (PBA)
Speed control command state (checking the return voltage changes when each button on the steering wheel is depressed).
The usual suspects are the brake pressure switch (either fried if the recall wasn't done or a blown fuse if the switch tried burning your vehicle to the ground), the parking brake is depressed slightly and inadvertently but the bulb's out in the cluster, or there's been enough beer spilled on the steering wheel that the on or set buttons don't work.
It is possible to check the switches in the system with a meter but it's much easier to use a scanner and look at what the PCM is seeing before guessing and tossing parts at it.
Brake on/off (BOO) switch
Clutch switch (CPP)
Brake pressure switch (BPA)
Parking brake switch (PBA)
Speed control command state (checking the return voltage changes when each button on the steering wheel is depressed).
The usual suspects are the brake pressure switch (either fried if the recall wasn't done or a blown fuse if the switch tried burning your vehicle to the ground), the parking brake is depressed slightly and inadvertently but the bulb's out in the cluster, or there's been enough beer spilled on the steering wheel that the on or set buttons don't work.
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