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Lint (#360) * auto fixes * started fixing * more fixing * lint with gha * and more fixing * and even more fixing * and even more fixing yet * fix home * am idiot * fix workflow name
2023-01-06 17:10:33 -08:00
# 1995 Honda Accord
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2020-08-27 14:32:54 -07:00
## ECU pinout
automated md lint fixes
2023-01-02 11:22:23 -08:00
37820-P0A-A51
Final wiki dump (#87) * a few more pages * a bunch more * rest of the pages * header swap
2020-08-27 14:32:54 -07:00
![Connector Pinout](Images/Accord_pinout.png)
convert some links using script, and fix some manually
2022-01-24 17:21:25 -08:00
[94 accord ex ecu pinout](http://honda-tech.com/showthread.php?t=2377726)
Final wiki dump (#87) * a few more pages * a bunch more * rest of the pages * header swap
2020-08-27 14:32:54 -07:00
## 26 pin
| | | | | |
| --- | ------------------------------------ | --------- | --------------------------------------------------------------- | ---------------------------- |
| A1 | W63 | BRowN | <span style="background:#00FF00">Injector \#1</span> | Output |
| A2 | W64 | YEL | <span style="background:#00FF00">Injector \#4</span> | Output |
| A3 | W61 | RED | <span style="background:#00FF00">Injector \#2</span> | Output |
| A4 | W62 | GRN/YEL | VTEC Solenoid Valve | Output |
| A5 | W59 | BLUe | <span style="background:#00FF00">Injector \#3</span> | Output |
| A6 | W60 | ORG/BLK | O2 Heater | Output, sink/low |
| A7 | W57 | GRN/BLK | <span style="background:#00FF00">Fuel Pump Relay</span> | Output, sink/low |
| A8 | W58 | \* | \* | \* |
| A9 | W55 | BLK/BLU | Idle Air Control Valve | Output, sink/low. 500Hz |
| A10 | W56 | GRN/WHT | Engine Mount Control | Output |
| A11 | W53 | RED | EGR SOL | Output |
| A12 | W54 | GReeN | Radiator Fan Control Module | Output |
| A13 | W51 | LTGRN/RED | MIL | Output, low-side |
| A14 | W52 | WHT/YEL | Fuel Injection Air Control | |
| A15 | W49 | RED/BLU | A/C compressor clutch relay | Output |
| A16 | W50 | WHT/GRN | Alternator Control | |
| A17 | W47 | \* | \* | \* |
| A18 | W48 | BRN/WHT | FAS (TCM) | |
| A19 | W45 | ORG/GRN | Intake Air Resonator Control Solenoid valve | Output |
| A20 | W46 | RED/YEL | PCS | |
| A21 | W43 | YEL/GRN | <span style="background:#00FF00">Ignition Control Module</span> | Output, \~12v |
| A22 | W44 | \* | \* | \* |
| A23 | <span style="color:green">W41</span> | BLK | <span style="background:#00FF00">Power Ground</span> | Ground |
| A24 | <span style="color:green">W42</span> | BLK | Power Ground | Ground |
| A25 | <span style="color:red">W39</span> | YEL/BLK | <span style="background:#00FF00">Power Source</span> | Input, +12 if ignition is on |
| A26 | <span style="color:green">W40</span> | BRN/BLK | Logic Ground | Ground |
## 16 pin
| | | | | |
| --- | ---- | -------------------- | -------------------------------------------------- | --------------------------------------------------------- |
| B1 | W37 | YEL/BLK | Power Source | Input, constant +12V |
| B2 | W38 | BRN/BLK | Logic Ground | Ground |
| B3 | W35 | WHT/RED | AFS A (TCM) Up/Down shift signal | |
| B4 | W36 | GRN | AFS B (TCM) Up/Down shift signal | |
| B5 | W33 | RED/WHT | AC Pres Switch | |
| B6 | W34 | \* | \* | \* |
| B7 | W31 | lightLTGRN | AT Gear Pos Part/Neutral | Input |
| B8 | W32 | GRN | Power Steering Pres Sw | Input, indicates high power steering load |
| B9 | W29 | BLU RED (or BLK/GRN) | STS | |
| B10 | W30 | ORG | Vehicle Speed Sensor | Input (grounded 4 times per speedometer cable revolution) |
| B11 | W27 | ORanGe | CYP Signal | Input, one pulse per cam rev |
| B12 | W28 | WHT | CYP Ground | |
| B13 | CAM- | ORG BLU | <span style="background:#00FF00">TDC Signal</span> | Input, four pulses per cam revolution |
| B14 | CAM+ | WHT BLU | TDC Ground | |
| B15 | CNK- | BLU GRN | <span style="background:#00FF00">CKP Signal</span> | Input, 24 pulses per cam |
| B16 | CNK+ | BLU YEL | CKP Ground | |
## 22 pin
| | | | | |
| --- | ------------------------------------ | -------------- | -------------------------------------------------- | ------------------------------------------- |
| D1 | W21 | WHT YEL | Voltage Back Up | Input, constant +12V |
| D2 | W22 | | Brake Switch | Input |
| D3 | W19 | \* | \* | \* |
| D4 | W20 | RED | Service Check Signal | Input, ground to activate |
| D5 | W17 | BLU/WHT | Baro OUT | |
| D6 | W18 | BLU/BLK | VTEC Pressure Switch | Input |
| D7 | W15 | lightLTGRN RED | TXD/RXD data link | |
| D8 | W16 | \* | \* | \* |
| D9 | W13 | WHT RED | ALT FR Signal | |
| D10 | W14 | GRN RED | Electrical Load Detector | Input (signals headlight, radio etc) |
| D11 | W11 | RED/BLK | Throttle Position Sensor | Input |
| D12 | W12 | WHT/BLK | EGR Lift Sensor | Input |
| D13 | W9 | RED/WHT | Engine Coolant Temperature Sensor | Input |
| D14 | W10 | WHT RED | Primary O2 Sensor | Input |
| D15 | W7 | RED YEL | Intake Air Temperature Sensor | Input (bias pull-up 1.5K) |
| D16 | W8 | \* | \* | \* |
| D17 | W5 | WHiTe/YELlow | <span style="background:#00FF00">MAP Sensor</span> | Input: 0.32V @ -13.9 PSI, 4.84V @ 10.94 PSI |
| D18 | <span style="color:yellow">W6</span> | lightLTGRN/BLK | VREF | Output for TCM +5V |
| D19 | <span style="color:yellow">W3</span> | YEL/WHT | VCC1 MAP sensor power supply | Output +5V |
| D20 | <span style="color:yellow">W4</span> | YEL BLU | VCC2 TPS, EGVL sensor power supply | Output +5V |
| D21 | W1 | GRN/WHT | SG1 MAP sensor GND | Ground |
| D22 | W2 | GRN BLU | SG2 - Sensors Ground | ground |
![Wiring Diagram](Images/Honda_1.png)
![Wiring Diagram](Images/Honda_2.png)
![Wiring Diagram](Images/Honda_3.png)
## Components
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[Honda F22B1 Engine - Wikipedia]](<http://en.wikipedia.org/wiki/Honda_F_engine#F22B1>)
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Fuel Injector 06164-P0A-A00 248cc/min Low impedance
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MAP sensor 37830-P05-A01
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ECT sensor 37870-PJ7-003
![ECT Sensor Coorelation](Images/Honda_ECT.png)
IAT 37880-P0A-A02
DISTRIBUTOR ASSY D4T92-04
ignition control module 30120-P0A-A01
## TCM pinout
automated md lint fixes
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Final wiki dump (#87) * a few more pages * a bunch more * rest of the pages * header swap
2020-08-27 14:32:54 -07:00
tcm 28100-P0H-A02
## TCM 26 pin
| | | | |
| --- | ------------ | ------------------------ | ------ |
| A1 | \* | \* | \* |
| A2 | \* | \* | \* |
| A3 | GRN/WHT | Shift solenoid control B | Output |
| A4 | GRN/YEL | Lockup solenoid B | Output |
| A5 | BLU/YEL | Shift solenoid control A | Output |
| A6 | YELlow | Lockup solenoid A | Output |
| A7 | \* | \* | \* |
| A8 | | D4 light control | Output |
| A9 | BLUe | Engine Speed from dizzy | Input |
| A10 | \* | \* | \* |
| A11 | | Selector "1" input | |
| A12 | \* | \* | \* |
| A13 | | Selector "2" input | |
| A14 | \* | \* | \* |
| A15 | | Selector "D3" input | |
| A16 | \* | \* | \* |
| A17 | Lt GRN/BLacK | Selector "D4" input | |
| A18 | WHT/GRN | Shift lock control | |
| A19 | Lt GRN | Park/Neutr input | |
| A20 | WHT/YEL | Battery input | |
| A21 | | Reverse input | Input |
| A22 | | A/C on input | Input |
| A23 | | Ignition input | |
| A24 | | Ignition input | |
| A25 | BRN/BLK | Ground | Ground |
| A26 | BRN/BLK | Ground | Ground |
## TCM 22 pin
| | | | |
| --- | ---------- | -------------------------------- | -------- |
| D1 | \* | \* | \* |
| D2 | \* | Brake switch | Input |
| D3 | | Baro Pressure | Input |
| D4 | \* | \* | \* |
| D5 | | Engine Coolant Temp sensor | Input |
| D6 | | Service Check Conn | |
| D7 | | Throttle Position Sensor | Input |
| D8 | \* | \* | \* |
| D9 | ORG | Vehicle Speed Sensor | Input |
| D10 | \* | \* | \* |
| D11 | GRN | Up/Down shift sig | |
| D12 | | Mainshaft speed Sensor Ground | Ground |
| D13 | WHT/RED | Up/Down shift sig | |
| D14 | \* | \* | \* |
| D15 | | Countershaft speed | Input |
| D16 | BRN/WHiTe | Shift Ack | |
| D17 | | Countershaft speed Sensor Ground | Ground |
| D18 | LT GRN/BLK | Voltage Reference | Input +5 |
| D19 | | Mainshaft speed | Input |
| D20 | \* | \* | \* |
| D21 | \* | \* | \* |
| D22 | \* | \* | \* |
### diagram
![Wiring Diagram](Images/TCM.png)
![Wiring Diagram](Images/TCM_2.png)
## trigger signal
automated md lint fixes
2023-01-02 11:22:23 -08:00
Measured 845 ohms between pins B15 / B16 also same for B14 / B13 and same for B12 / 11.
Final wiki dump (#87) * a few more pages * a bunch more * rest of the pages * header swap
2020-08-27 14:32:54 -07:00
more link fixing
2021-02-16 05:41:05 -08:00
![Scope Screenshot](Images/Distributor_timing_obd1.jpg)
Final wiki dump (#87) * a few more pages * a bunch more * rest of the pages * header swap
2020-08-27 14:32:54 -07:00
## stock ECU schematics highlights
IC1: main chip, OKI 66911, DIP
Inputs:
TDC input: HIC1#10, TTL signal: HIC1##8, goes to IC7#35
CYP input: HIC1#15, TTL signal: HIC1##12, goes to IC1#27
CKP input: HIC1#19, TTL signal: HIC1##17, goes to IC1#34
Outputs:
Ignition module:
IC7#28 via R28 & Q22
Fix Links (#89) * fix hyphen links * manual fix * testing * main dir links * other dirs * fix links
2020-08-28 06:02:28 -07:00
See also [Honda Prelude 1993](Honda-Prelude-1993)