3-6
Vehicle Testing
To set limits for the vehicle being tested, use the down (
) arrow
key to edit limits or press 4. The Set Limits Screen displays. Arrow
up or down (
) to the item you want to change and press
ENTER. Press the left (
) arrow key to exit.
Setting limits at first may seem complex, but with a little practice
they become easy. Use the following general notes to help enter
limits.
* = no limit is entered. This symbol must be used for:
Minimum
CO *
CO
c
*
HC *
Maximum
OIL *
• = decimal point, for example a maximum CO would be 2.00
– = a negative value. This should never be used.
✓
All minimum and maximum will accept 6 characters. For
example, for a 1996 vehicle the following limits could be
used.
Minimum Maximum
CO *1.20
CO
2
12.00 15.00
CO
c
*1.20
HC * 220
O
2
0.00 1.50
λ
0.97 1.03
NO 800 1050
RPM 600 800
OIL 100 *
✓
Be careful when entering limit numbers. For example, to
enter 1.00 in a six character field (XXXXXX), move 4
places from the right and then type 1.00.
✓
The limits consist of two sets, Set 1 and Set 2. Use the
Set 1 for measurement at high RPM.
✓
Changing limit settings can only be done when Limits is
set to ON.
✓
Set 2 is for low RPM.
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