Question about 1996 Geo Prizm

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Does anyone know the output of a cmp in a 1996 geo prizm 1.6L? It's in the distributor.

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Camshaft Position (CMP) Sensor Resistance (Cold) Between Terminals and 2.......185-275 ohms
Camshaft Position (CMP) Sensor Resistance (Hot) Between Termuinals 1 and 2 .........240-325 ohms
I am quoting this from the 1996 S Platform GMP/96-S-1 book 1 of 2 Geo Prizm Service Manual copyright 1995 General Motors Corporation

Posted on Apr 05, 2014

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    _-__-___-_ Apr 05, 2014

    (prizm=toyota)he wants the output that is the coil ohms, the coil ohms test only tells you if the coil is dead open. not if it generate a true pulse. ( only a scope works here, and DTC 0340) the ckp on most this era cars is a very small signal...b 1.6 L 4A-FE (L01) I4 1.8 L 7A-FE (LV6) I4 notice the toyota codes there? i looked both and they are both coil type sensor not HALL. crank the enigne over with the OBD2 (any) scan tool plugged in, for 5 seconds cranking and see if you get 340s,335,336 DTCs, bingo, huh? IT will tell you what sensor is bad, why guess? now i will show way 2, a scope.

  • _-__-___-_
    _-__-___-_ Apr 05, 2014

  • _-__-___-_
    _-__-___-_ Apr 05, 2014

    there is the official toyata advance data. for techs with scopes.

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    _-__-___-_ Apr 05, 2014

    the ECU/PCM is fully capable of tell you which sensor is bad. even 1 pulse in 10 or so. why not scan the ECU?

  • _-__-___-_
    _-__-___-_ Apr 05, 2014

    its a year,old but someoine answered, so i did my HoW to for these 4a/7a engines


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  • Geo Master
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Its a 5v square wave.

you can see that at alldata dot com.

the 1996 will throw a DTC for CMP , DID IT?
if engine is dead, the DTC shows up cranking,
with a code or RPM dead.
In USA< can speak for Canada, where are you, uSA or canada.

Posted on Sep 15, 2013


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SOURCE: 1996 geo prizm

you'll have to pull off the interior panel. window in the up position. on the lock cylinder there is a clip that you have to pull off and an arm that actuates the lock. pop the lock out. reverse to install.

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SOURCE: 1990 geo Prizm fuse location for the heater blower

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SOURCE: 1994 GEO Prizm Fuel Guage

You need to replace your fuel sending unit. It is located inside of the gas tank.
Please remember to rate this solution.

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SOURCE: im lookin fer the radio wiring diagram for my 1996

Under the center console/dash you should has two connectors.


A Right Front Speaker (+) Green Gray
B Left Front Speaker (+) Pink White
C Right Front Speaker (-) Blue Gray w/ Black Stripe
D Left Front Speaker (-) Purple White w/ Black Stripe
E Ground Wire Black Black
F +12 Volt Ignition Wire Gray Red
G Power Antenna Wire 1 Blue (join wires 1 & 2
H Power Antenna Wire 2 together to this blue wire)
I Do Not Use


J Right Rear Speaker (+) Red Purple
K Right Rear Speaker (-) White Purple w/ Black Stripe
L +12 Volt Battery Wire Blue w/ Yellow Stripe Yellow
M Left Rear Speaker (+) Black Green
N Left Rear Speaker (-) Yellow Green w/ Black Stripe

Posted on Dec 14, 2009

  • 3854 Answers

SOURCE: geo prizm stereo radio wiring diagram

1994 Geo Car Stereo Wiring Schematic
Car Radio Battery Constant 12v+ Wire: White
Car Radio Accessory Switched 12v+ Wire: White/Black
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Yellow
Car Stereo Dimmer Wire: Red/Green
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): Black/Blue
Right Front Speaker Positive Wire (+): Blue
Right Front Speaker Negative Wire (-): White/Red
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Light Green
Left Rear Speaker Negative Wire (-): Light Green/Black
Right Rear Speaker Positive Wire (+): Gray
Right Rear Speaker Negative Wire (-): Gray/Black

Posted on Dec 23, 2009

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