[KyleGoetz]

Disclaimer: I am not a car guy. Some of these things, I don't know what we call them in English so I translated literally.

NOTE: I think "body earth" here indicates the ground wire.

18 power steering switch
19 idle switch
20 knock sensor signal
21 knock sensor body earth (I think "earth" here is the grounding wire in electricity)
22 cam sensor body earth
23 cam sensor signal
30 axel switch
31 starter switch
32 air conditioning switch
34 crank angle sensor signal
33 crank angle sensor body earth
37 throttle sensor signal
38 throttle sensor supply voltage earth/ground
38 throttle sensor body earth

39 ignition SW+
40 vehicle speed sensor
41 neutral SW
45 airconditioning sensor body earth
46 "" signal
47 "" power source/supply
55 "" body earth
48 water temp sensor
49 O2 sensor signal
57 O2 sensor body earth
50 exhaust temp sensor
51 pressure sensor signal
52 pressure sensor source
53 ? connects sensor to earth???????

1 ignition signal #1
2 ""#2
3 ""#3
4 ""#4
113 ? connects ignition to earth????
7 radiophone relay 2
9 some type of solenoid (supercharger pressure regulation solenoid?)
10 airconditioning relay
12 atmosphere pressure (absolute?) exchange/switching solenoid????
13 check engine light (I grew up saying "light," but this manual says "lamp")
15 radiophone relay 1
25 engine rev signal
111 ISC bulb OPEN
112 ISC bulb CLOSE
101 injector 1
102 injector 2
103 injector 3
104 injector 4
134 exhaust sound _??_ lamp
105 injector ?? body earth
106 injector ?? body earth
121 some body earth (regulator?)
122 some body earth (regulator?)

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Now, if some other, rude, entitled person sees that I helped OP out without asking him to try first: I did it this time because it was interesting and I felt like it because I had some free time and sometimes you get a feeling that the person doesn't speak Japanese at all.