G2: FAQ: General
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General
VIN # Decoding
Group 1 2 3 4 5 6 7 8 Digit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Example J H 4 K A 7 5 5 * M C * * * * * *
- Group 1, Digits 1-3 - JH4KA755*MC****** - Manufacturer
- JH4=Acura Passenger Car
- Group 2, Digits 4-6 - JH4KA755*MC****** - Model
- KA7 = Legend Sedan
- KA8 = Legend Coupe
- Group 3, Digit 7 - JH4KA755*MC****** - Transmission
- 1 = Manual Coupe
- 2 = Automatic Coupe
- 5 = Manual Sedan
- 6 = Automatic Sedan
- Group 4 , Digit 8 - JH4KA755*MC****** - Trim Level
- 3 = Base
- 5 = L
- 6 = L with leather seats
- 7 = LS
- 8 = GS
- 9 = SE
- Group 5, Digit 9 - JH4KA755*MC****** - Check Digit
- Ignore.
- Group 6, Digit 10 - JH4KA755*MC****** - Model Year
- M = 1991
- N = 1992
- P = 1993
- R = 1994
- S = 1995
- Group 7, Digit 11 - JH4KA755*MC****** - Assembly Factory Code
- C = Sayama, Saitama, Japan
- Group 8, Digits 12-17 - JH4KA755*MC****** - Serial Number
- USDM serial numbers begin with 0 through 7, CDM begin with 8-9. Unique to each vehicle.
Where can I get OEM replacement keys?
Any Honda or Acura dealer can punch (not cut) a brand new key based on your VIN number, and most dealers will require you to provide proof of ownership of the vehicle. This will only work if the locks in your car have not been replaced, otherwise the new key will open only the original locks. Key blanks can be purchased from any dealer as well. Delray Acura in Delray, Florida charges about $1 per blank, and punches them for free whether you purchased the blanks from them or not. Most dealers charge more. Part numbers are 35113-SP0-A01 for the main key, and 35114-SP0-A01 for the valet key. The valet key is smaller and can be used only in the ignition and doors, it will not unlock the glove compartment or trunk. (Note: If you want to make use of the valet key, make sure to lock the glove compartment after engaging the trunk lock switch inside. This prevents the trunk from being opened without a key using the button on the drivers door.)
Electrical
What light bulbs are used in my car?
Note: This list is primarily based on bulbs from a 1994 sedan, coupes and '91-'93 Legends are similar. If you have more specific bulb types for those years, please add them. Once the list is complete and confirmed 100% accurate, this note will be removed.
Exterior Location Bulb Style # and Wattage Low-beams 9006 (HB4), 51W (x2) High-beams 9005 (HB3), 60W (x2) Front bumper turn signals 3497 (or 1156), 27W (x2) Rear turn signals 3497 (or 1156), 27W (x2) Corner parking lights 3652 (or 168), 5W (x2) Corner turn signals 168, 5W (x2) High-mount brake light 1156, 27W (x1) Lower brake lights 2057 (or 1157), 7W/27W (x4) (dual filament: brake/parking lights) Upper brake lights 67, 8W (x2) (single filament) Rear corner parking light 168, 5W (x2) Reverse lights 1156, 27W (x2) License plate illumination 168, 8W (x2) Interior Location Bulb Style # and Wattage Visor mirror illumination special size? Acura part #34273-SP0-013 (28mm festoon) (x2) Gear selector (auto transmission) 74 equivalent, 1.4W (x1) (true #74 or similar?) Radio backlighting neo-wedge (x?) Climate control backlighting neo-wedge (x2) Gauge cluster backlighting 194, 3.4W (x4) Gauge cluster overhead illumination 74, 1.4W (x2) Trunk 3021, 3.4W (31mm festoon) (x1) Glove box 3021, 3W (x1) Front overhead dome and map lights 168, 5W (x4) Rear overhead dome and reading lights 3021, 5W (31mm festoon) (x3) Courtesy lights (in door, front+rear) 3021, 3.4W (31mm festoon) (x4) Footwell lights (under dash) 74, 1.4W (x2) Rear door ashtray 74, 1.4W (x2)
Headunit, Speaker, and Amplifier wiring colors
This section shows the wiring colors taken directly from the diagrams in a USDM 1994 sedan service manual. It should be accurate for all G2 Legends.
Headunit
16-pin connector, without external Bose amp Pin Color Function A1 Red/Green Right Front output, positive A2 Blue/Green Left Front output, positive A3 Red/Black Lights-on signal A4 White/Yellow Constant 12v A5 Yellow/Red Switched 12v (ACC) A6 Yellow/White Antenna power switch A7 Blue/Yellow Left Rear output, positive A8 Red/Yellow Right Rear output, positive A9 Brown/Black Right Front output, negative A10 Gray/Black Left Front output, negative A11 Brown Telephone mute A12 Green/White Security In A13 Light Green Security Out (Ground G502) A14 Black Ground G501 A15 Gray/White Left Rear output, negative A16 Brown/White Right Rear output, negative 16-pin connector, with external Bose amp Pin Color Function A1 Blue Right Front output, to amp, positive A2 White Left Front output, to amp, positive A3 Red/Black Lights-on signal A4 White/Yellow Constant 12v A5 Yellow/Red Switched 12v (ACC) A6 Yellow/White Antenna and amp power switch A7 Orange Left Rear output, to amp, positive A8 Yellow Right Rear output, to amp, positive A9 Brown Right Front output, to amp, negative A10 Black Left Front output, to amp, negative A11 Brown Telephone mute A12 Green/White Security In A13 Light Green Security Out (Ground G502) A14 Black Ground G501 A15 Green Left Rear output, to amp, negative A16 Red Right Rear output, to amp, negative 5-pin connector, with and without external Bose amp Pin Color Function B1-B4 - Unused B5 Light Blue Steering wheel controls Amplifier
Note: These are the colors of the wires on the car-side of the harness. The plugs coming out of the amplifier unit itself are different colors.
16-pin connector Pin Color Function A1 Orange Left Rear input, positive A2 Green Left Rear input, negative A3 Yellow Right Rear input, positive A4 Red Right Rear input, negative A5 Blue Right Front input, positive A6 Brown Right Front input, negative A7 White Left Front input, positive A8 Black Left Front input, negative A9-A15 - Unused A16 Yellow/White Switched Power (Radio On) 5-pin connector Pin Color Function B1 Red/Yellow Right Rear output, positive B2 Blue/Yellow Left Rear output, positive B3 Brown Right Rear output, negative B4 - Unused B5 Gray Left Rear output, negative 7-pin connector Pin Color Function C1 Red Right Front output, positive C2 - Unused C3 Blue Left Front output, positive C4 Red/White Right Front output, negative C5 White/Blue Constant 12v C6 Black Ground G253 C7 Blue/Orange Left Front output, negative Speakers & Tweeters
Left Front Color Function Blue Speaker & Tweeter, positive Blue/Orange Speaker & Tweeter, negative Right Front Color Function Red Speaker & Tweeter, positive Red/White Speaker & Tweeter, negative Left Rear Color Function Blue/Yellow Speaker & Tweeter, positive Gray/White Speaker & Tweeter, negative Right Rear Color Function Red/Yellow Speaker & Tweeter, positive Brown/White Speaker & Tweeter, negative Fuse And Relay Locations
Under-Dash Fusebox
1) Option C921
2) Option C919
3) Rear window defogger relay, Radiator fan main relay, Radiator fan relay, Fan control unit, AC Compressor clutch, ABC control unit
4) Stereo radio/cassette player, Cigarette lighter relay, Cellular phone system
5) ECM (MT) or PCM (AT), Idle Air Control valve, Fuel injector resistors
6) Unused
7) SRS unit
8) Unused
9) Cigarette lighter
10) Seat heater control unit, Driver's seat heaters, Front passenger's seat heaters
11) AC Compressor clutch
12) Daytime running lights control unit (Canada)
13) Back-up lights, Turn signal/hazard relay, Clock, Gauges, Shift Lock solenoid (AT), Integrated Control Unit, ECM (MT), Seat belt tension reducer solenoids, Reverse lockout relay and solenoid (MT)
14) ECM (AT) or PCM (AT), PGM-FI main relay, Gauges (Bulb-check circuit)
15) Alternator, ECM (MT) or PCM (AT), Radiator fan control module, Security control unit, Power seat control unit
16) Daytime running lights control unit (Canada)
17) Power window control unit, Driver's window motor
18) Front passenger's window motor
19) Blower motor relay, Blower motor high relay, Heater control panel, Climate control unit, Mirror defoggers, Seat heater relay.
20) Cruise control unit, Radiator fan control module, Security control unit, Power seat control unit, Driving position memory system control unit
21) Left rear window motor
22) SRS unit, Fuel pump, Alternator, Vehicle speed sensor, Heated oxygen sensors, Bypass control solenoid valves, PAIR control solenoid valve, Evaporative emission purge control solenoid, EGR control solenoid valve, Fuel pressure regulator control solenoid valve, PCM (AT), TCS fail-safe relay, TCS control unit, Steering angle sensor
23) Windshield wiper intermittent, Windshield wiper low relay, Windshield wiper high relay, Windshield washer motor, Moonroof open relay, Moonroof close relay
24) Right rear window motor
25) Ignition coils, PGM-FI main relay, Noise condensor
26) Windshield wiper motor
C919) Option Connector (#2 fuse, no battery voltage)
C920) Option Connector (+12v @ IG2)
C921) Option Connector (Constant +12v)
C922) Option Connector (+12v @ ACC)
Under-Hood Fusebox
31) Power distribution
32) ABS pump motor, Fuse 38, ABS control unit
33) Rear window defogger
34) Under-dash fusebox
35) Ignition switch (BAT)
36) Fuses 17, 18, 21, 24
37) Blower motor
38) ABS control unit
39) Brake lights, Horns, Key interlock solenoid (AT), Security indicator, ABS control unit, Cruise control unit, ECM (MT) or PCM (AT), TCS control unit
40) Hazard warning lights, Turn signal/hazard relay
41) ABS control unit (B1)
42) ABS control unit (B2), TCS control unit
43) ABS control unit (B3)
44) Power door lock control unit, Trunk opener solenoid
45) Right headlight, daytime running lights control unit (Canada)
46) Left headlight, daytime running lights control unit (Canada)
47) Radiator fan motor
48) Left taillight
49) Right taillight, Front parking lights, Vanity mirror lights, License plate lights, Integrated control unit, Rear spot lights, Dash lights brightness control unit, Dash lights
50) Condenser fan motor
51) Moonroof motor
52) Front passenger's power seat slide and recline motor
53) TCS control unit
54) Amplifier (external)
55) Power seat control unit, Driver's power seat recline and rear up-down motor
56) Stereo radio/cassette player, Clock, Power antenna motor, Climate control unit, Integrated control unit, Cellular phone system
57) Ceiling lights, Front courtesy lights, Rear courtesy lights, Trunk light, Foot well lights, Ignition key light, Front spotlights, Driver's door key cylinder light
58) Steering column control unit, Steering column tilt motor, Steering column extend-retract motor
T1) To battery positive terminal
T101) To alternator
Relay Boxes
Relay Boxes A and B are located on the drivers side of the engine bay, next to the battery and bolted to the radiator/radiator fan. Relay Box C is in the opposite corner of the engine bay, between the ABS reservoir and fender.
Engine
What gaskets are included in the Ishino/Stone (OEM) Headgasket kit?
1) valve covers, left and right
2) lower intake manifold
3) upper intake manifold
4) right headgasket
5) left headgasket
6) intake manifold
7) exhaust manifold
8) timing belt cover
9) timing belt cover
10) camshaft pulley back cover
11) camshaft pulley back cover
12) EGR valve, rear of lower intake manifold
13) intake manifold/throttle body
14) left camshaft pulley back cover
15) right camshaft pulley back cover
16) thermostat
17) camshaft oil seal, front
18) camshaft oil seal, rear
19) throttle body
20-26) EGR and PAIR valves/pipes
27) spark plug tube seal, between rocker arm assembly and head
28) starting air valve
29) idle air control valve
30) 2 gaskets, fast idle valve
31) unknown
32) fuel pressure regulator
33) fast idle valve, internal
34) exhaust gasket rings
35) valve cover spark plug tube seals
36) ?
37) fuel rail+filter banjo bolt washers
38) fuel injectors
39) oil filler cap
40) fuel injectors
41) fuel injectors
42) intake valve stems
43) exhaust valve stems
44) valve cover grommets
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