791 xv 2000 jeep grand cherokee

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faberry1

Member - Posts: 42

Joined: March 16, 2007

Location: Tennessee, United States

Posted: April 24, 2008 at 4:13 AM / IP Logged

Thank You Chriswallace187. Ok great let me see if I got this right. On the ground when running output of the XK531 brown wire I can eliminate the Factory alarm arm/disarm, defogger, wires of the (791xv) unit? It already bypasses the immobilizer and transponder with programming. Connect the (-) green wire (XK531) to the lock output to (-) green of the (791xv) unit. Same for the (-) blue wire (XK531) to the unlock output to (-) blue of the (791xv) unit. Voilet/white wire (XK531) to (-) green door trigger input, zone 3 of the (791xv) unit. Violet wire (XK531) to the OBII pin 2 of the vehicle. Eliminate orange wire (XK531) as this is an optional connection. Of course constant 12v red (XK531) to vehicle 12v constant source, and ground (XK531) to chassis ground and that is it other than the programming right? As for the rest of the wires of the 791xv pretty self explanitery to me. Just the confusing part was the bypass module. Just let me know what you think. Thanks again.

Ricky Berryman

2000 Mazda Protege

US.Army

Mechanic

faberry1

Member - Posts: 42

Joined: March 16, 2007

Location: Tennessee, United States

Posted: April 24, 2008 at 5:48 AM / IP Logged

Also with the (XK531) brown wire I found that I can eliminate the (791xv) domelight supervision, RPM or tachometer status wires.

Ricky Berryman

2000 Mazda Protege

US.Army

Mechanic

chriswallace187

Gold - Posts: 1,661

Joined: March 11, 2002

Location: Pennsylvania, United States

Posted: April 24, 2008 at 3:26 PM / IP Logged

You can eliminate dome supervision, since the module sends lock and unlock signals as though it were the factory remote sending them - however the manual for the XK531, firmware JDL 1.0 doesn't say it supplies a tach status output, so you'll still need to run a tach wire.

C Renner's Auto Electronix

My service is cheap, quick, and good - pick any two

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faberry1

Member - Posts: 42

Joined: March 16, 2007

Location: Tennessee, United States

Posted: April 24, 2008 at 8:02 PM / IP Logged

So I'm assuming RPM Status Wire 2 Wire function on the xk531is different than Tac status for the 791xv. How about earlier when I went throught the wire connections from the xk531 to the 791xv you think those were the right connections? Anyways great this is a big help. Also I've been researching this tach, I know you can get this from more than one place in the vehicle, ie computer, behind the instrument panel, the coil itself and so on. What do you reccomend? I would use the wire to the RPM guage there is ususlly a wire to the guage itself that I would normally use and is located behind the instrument panel. Hopefully my last question before I dive in, parts should be here in about two weeks, is do you recommend any other modules, relays, resistors, and so on for this installation? Thanks.

Ricky Berryman

2000 Mazda Protege

US.Army

Mechanic

chriswallace187

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Joined: March 11, 2002

Location: Pennsylvania, United States

Posted: April 24, 2008 at 9:53 PM / IP Logged

I'm not sure which manual you're getting your info on what the XK531 will and won't do on the '00 JGC. I would suggest you read the manual for the JDL firmware, which specifically states what it will and won't output. The functionality of the XK series modules varies depending on what vehicle and what firmware they are used on.

I see the note at the bottom where it mentions that alarm/RS systems designed with ClearCode Vehicle Interface Protocol can get more data through the XK module...I'm not familiar with ClearCode but I know the 791xv is definitely NOT a system that has it - the 791's got strictly analog inputs and outputs.

Also - I don't think you're going to find a tach at the inst. cluster(

it's also sent via data from the BCM or PCM). I've always used a fuel injector or coil wire; they are easy to get to and you'll have to run a wire underhood for your hoodpin and siren anyway.

C Renner's Auto Electronix

My service is cheap, quick, and good - pick any two

faberry1

Member - Posts: 42

Joined: March 16, 2007

Location: Tennessee, United States

Posted: April 25, 2008 at 1:14 AM / IP Logged

From what I can gather in the ClearCode VIP is strictly Data 2 Data only. What I was referinf is on the features on what the unit does is offers a data 2 data signal from the JGC OBII connection that in turns into an analog wire 2 wire signal gets to the 791xv some how and provides an RPM status. If you look at the features before you download the manual it has a series of features and x's and checks and it lists an output wire 2 wire for RPM status. What do you make of this. I got to go I will send another post in a little while. Thanks

Ricky Berryman

2000 Mazda Protege

US.Army

Mechanic

chriswallace187

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Joined: March 11, 2002

Location: Pennsylvania, United States

Posted: April 26, 2008 at 7:08 PM / IP Logged

Ok I'm still not seeing where you're reading this...can you copy the exact link you're viewing when reading about the tach signal output?

C Renner's Auto Electronix

My service is cheap, quick, and good - pick any two

faberry1

Member - Posts: 42

Joined: March 16, 2007

Location: Tennessee, United States

Posted: April 26, 2008 at 10:48 PM / IP Logged

Programmable Platform#531:Door Lock Control + RF Override (XK531)

791 xv 2000 jeep grand cherokee - Page 3 -- posted image.

1st Generation Sentry Key RF transponder bypass + door lock control

XK531 Programmable Combo Door Lock & Alarm Control Interface w/integrated 1st gen. (97-04)Sentry Key RF Transponder Bypass. XK531 preloaded with upgradeable firmware (JDL) for 99-04 Jeep Cherokee. Primary control functions incl.: door locks, factory alarm, trunk/hatch release, door pin status output(-) & 2nd starter activation. Transponder chip included to bypass via RF induction using loop antenna. *Programmable interface control firmwares available for all Chrylser, Dodge & Jeep model years.

Functions supported

PK-Transponder & Immobilizer Override	D2D	W2W
- PK- Bypass Transponder RF: NKR

DL- OE Door Lock & Alarm Controls	D2D	W2W
- DL- Arm factory security
- DL- Disarm Factory Security
- DL- Door Lock Control
- DL- Door Unlock ALL doors
- DL- Door Unlock Driver Priority
- DL- Sliding Door Control Driver
- DL- Sliding Door Control Passenger
- DL- Trunk / Hatch Release

CC- Comfort & Convenience Controls	D2D	W2W
- CC- Heated Mirrors
- CC- Heated Seats
- CC- Power mirror memory
- CC- Power seats memory
- CC- Radio channel memory

AV - Horn & Lights Control	D2D	W2W
- AV- Domelight Activation
- AV- Domelight Bypass
- AV- Horn Chirp
- Panic mode

SS- Entry Point Status -Security	D2D	W2W
- SS- Entry Status ALL Door Pins
- SS- Entry Status Drivers Door Pin
- SS- Entry Status Front Door Pins
- SS- Entry Status Hood Pin
- SS- Entry Status Trunk/Hatch Pin

FOB Factory Remote Status Control	D2D	W2W
- FOB Door Lock/Unlock Activation
- FOB Door Lock/Unlock Status

Miscellaneous	D2D	W2W
- RAP Shut Off

This is where it say RPM Status

RS- Engine Start & Status	D2D	W2W
- RPM Status
- RS- 2nd Start Wire Activation (Mux)
- RS- Tach Output

chriswallace187

Gold - Posts: 1,661

Joined: March 11, 2002

Location: Pennsylvania, United States

Posted: April 27, 2008 at 11:55 AM / IP Logged

That chart definitely doesn't apply to the 2000 Grand Cherokee. The 2nd start(mux) activation wasn't necessary for Grand Cherokees till 2005.

C Renner's Auto Electronix

My service is cheap, quick, and good - pick any two

faberry1

Member - Posts: 42

Joined: March 16, 2007

Location: Tennessee, United States

Posted: April 27, 2008 at 2:34 PM / IP Logged

I guess false advertisment gets the best of us.

Ricky Berryman

2000 Mazda Protege

US.Army

Mechanic

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