97 challenger 1 beep

[seadookelly]

my 97 challenger wont start 1 beep with lanaryd in 1 beep when i press start when i move shifter it beeps when i hit nutral i put in a new mp board ouch still wont start oh o just tested my seliniod and boat turned over did diagnostic 5 pushes got one short and one long put lanaryd back in got2 beeps when i pushed button no start pushed button again got 3 beeps no start pushed again got 2 beeps no start someone tell me should i replace seliniod if so i will have an extra mp board:stupid::ack:

 

[scooper77515]

Kinda hard to read, due to lack of punctuation. But I will give it a try:reddevil:

How many beeps when shifter is in neutral, and lanyard on? This is where you want it to be for starting, and sometimes you may need to wiggle the shifter a little to get that second beep.

Lets see if I can post the beep diagnostics for you...this is cut and paste from a pdf chart so formatting is all screwed up.

Monitoring Beeper Coded Signals
NUMBER OF BEEPS POSSIBLE CAUSE REMEDY

2 short (while installing safety
lanyard on DESS post).
• Everything is correct with the
safety lanyard (good contact
and right lanyard cap).
• Engine can be started
normally.

1 long (while installing safety
lanyard on DESS post or when
pressing start/stop button in
some cases).
• Bad connection between
safety lanyard cap and DESS
post.
• Remove and reinstall the
safety lanyard on the DESS
post. Two short beeps
should be heard which
indicates the system is ready
again to allow engine
starting.

• Wrong safety lanyard. • Use the safety lanyard that
has been programmed for
the boat. If it does not work,
refer to an authorized dealer.

• Salt water in safety lanyard
cap.
• Clean safety lanyard cap with
fresh water to remove salt
water.

• Improper operation of
MPEM or defective wiring
harness.
• Refer to an authorized dealer.

4 short (while pressing
start/stop button with safety
lanyard already installed).
• Shifter is NOT in neutral. • Place shifter in neutral. While
moving the shifter, 1 short
beep indicates you reached
the neutral position.

1 short (while moving shifter
to neutral).
• Confirmation that shifter is
now in neutral.
• Engine is now ready to be
started

8 short. • Defective MPEM (memory). • Refer to an authorized dealer.

Continuous. • Engine overheating. • Refer to Engine Overheats
below.

 

[Dr Honda]

OK… the order of how things beeped, is strange… but….

1 long beep in standard mode is the wrong lanyard. Did you get your lanyards reprogrammed when you put in the new MPEM? The MPEM holds the lanyard info, and needs to be reprogrammed.

3 short beeps in the service mode is that the DESS post is grounded, or that there is a short in the line. Also, 2 short beeps in the service mode is the wrong lanyard.

Either way… it’s pointing to a lanyard/post issue.

Good luck

 

[kustomkarl]

You can't just replace the mpem without reprogramming your lanyard. The DESS unit has to communicate to the MPEM. Only a seadoo dealer can reprogram it.

Karl