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What are the normal values displayed on the Techtom?

While trying to figure out if all my values were in spec for my '91 TT Z, I pulled out the old service manual and started looking some stuff up. In doing so I started making a chart to make things easier to check. Basically, a little cheat sheet that I can keep in my glove box for spot checking if the need ever arises.

Anyway, to make a long story even longer...I put together this table for cross referencing. I used my '91 service manual and a PDF that someone once posted regarding "normal" values. These probably aren't accurate for highly modded Zs, but it is a start.

If I missed something, please send me an email so I can update it to be "correct".




300ZX MDM-100 Values

	NA		TT
MDM-100	Idle	2000 RPM	Idle	2000 RPM	Comments
AFM1	0.8-1.5V	1.4-1.8V	0.9-1.4V	1.4-1.8V	1,2
AFM2	N/A	N/A	N/A	N/A	5
INJ1, INJ2	2.0-3.0ms	2.0-3.0ms	1.8-2.5ms	1.8-2.2ms	1,2
IGN	15 deg. BTDC	> 25 deg. BTDC	15 deg. BTDC	> 25 deg. BTDC	1,2
WTMP	> 158 F (70 C)	> 158 F (70 C)	> 158 F (70 C)	> 158 F (70 C)	1
ITMP	N/A	N/A	N/A	N/A
BATT	11-14V	11-14V	11-14V	11-14V	3
THP	0.4-0.5V	~4.0V	0.4-0.5V	~4.0V	3
O2S1, O2S2		0-0.3 �� 0.6-1.0V		0-0.3 �� 0.6-1.0V	1,4
O2-1, O2-2		LEAN �� RICH		LEAN �� RICH	1,4
IDL-SW	ON	OFF	ON	OFF	3
NTL-SW	Gear "P" or "N":ON Other Gear: OFF		Gear "P" or "N":ON Other Gear: OFF		3
POWERST-SW	Steering wheel is straight: OFF Steering wheel is turned: ON		Steering wheel is straight: OFF Steering wheel is turned: ON		1,2
AIRCON-SW	A/C switch is OFF: OFF A/C switch is ON: ON		A/C switch is OFF: OFF A/C switch is ON: ON		1,2
AIT	N/A	N/A	N/A	N/A	5
AAC	15-40%	-	15-35%	-	1,2

 
1. Warm Engine
2. A/C Off, Neutral Gear, No Load.
3. Engine Off, Ignition ON
4. Cycles between values more than 5 times in 10 seconds.
5. Not equipped.

Mykl (Ann Arbor, MI)

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