Obd0 to Obd1 wiring harness. 53 to 45 pins. + 4 A - 18 B - 11 +--------+------------+--------------+----------------------------------+-------------- | pin_id | wire_color | pin_function | pin_name | 4G (pr3 pin) +--------+------------+--------------+----------------------------------+-------------- | A1 | BRN | INJ1 | INJ1 | -> A1 | A2 | YEL | INJ4 | INJ4 | -> A7 | A3 | RED | INJ2 | INJ2 | -> A3 | A4 | GRN/YEL | VTS | VTEC solenoid | -> ADD -> vtec selenoid | A5 | BLU | INJ3 | INJ3 | -> A5 | A6 | ORN/BLK | PO2SHTC | O2 sensor (heating element) | -> ADD [o2 heater control ->blk (under wht wire)] | A7 | GRN/BLU | FLR1 | fuel pump (main relay) | -> A12 | A9 | BLK/BLU | IACV | IAC valve | -> A11 | A12 | GRN | FANC | engine coolant temp switch | -> B4 | A13 | GRN/ORN | MIL | MIL (check engine light) | -> B6 | A15 | BLK/RED | ACC | (a/c compressor clutch) | -> B3 | A16 | WHT/GRN | ALT C | alternator | -> B5 | A20 | RED | PCS | EVAP purge control solenoid | -> A6 | A21 | YEL/GRN | ICM | ICM | -> B15 | A23 | BLK | PG1 | ground *(main relay ground) | -> A2 | A24 | BLK | PG2 | ground *(main relay ground) | -> A4 | A25 | YEL/BLK | IGP2 | to main relay and to gound for o | -> A13 [splice for o2 -> blk (under grn)] | A26 | BRN/BLK | LG1 | gound | -> A18 | B1 | YEL/BLK | IGP2 | to pin A25 | -> A15 | B2 | BRN/BLK | LG2 | ground to shields for CYP & TDC | -> A16 | B5 | BLU/RED | ACS | a/c switch | -> B8 | B9 | BLU/WHT | | starter signal | -> B13 | B10 | ORN | VSS | vehicle speed sensor | -> B16 | B11 | ORN | CYP P | CYP -P | -> B10 | B12 | WHT | CYP M | CYP -M | -> B12 | B13 | ORN/BLU | TDC P | TDC -P | -> C3 | B14 | WHT/BLU | TDC M | TDC -M | -> C4 | B15 | BLU/GRN | CKP P | CKP -P | -> C1 | B16 | BLU/YEL | CKP M | CKP -M | -> C2 | D1 | WHT/BLU | VBU | Back Up Power | -> B1 | D2 | GRN/WHT | BKSW | brake switch | -> C10 | D3 | | KS | Knock Sensor | -> ADD -> Knock sensor | D4 | BRN/WHT | SCS | service check connector | -> mil [toggle switch with ground] | D6 | BLU/BLK | VTM | VTEC pressure switch | -> ADD -> vtec pressure switch | D9 | WHT/RED | ALT F | alternator | -> B14 | D10 | GRN/RED | ELD | electric load detector | -> B19 | D11 | RED/BLK | TPS | TPS Signal | -> C7 | D13 | RED/WHT | ECT | ECT sensor | -> C6 | D14 | WHT/RED | PHO2S | O2 sensor | -> C16 [splice for o2 -> wht] | D15 | RED/YEL | IAT | IAT sensor | -> C5 | D17 | WHT/YEL | MAP | Map Signal | -> C11 | D19 | YEL/WHT | VCC1 | MAP 5V | -> C15 | D20 | YEL/BLU | VCC2 | TPS 5V | -> C13 | D21 | GRN/WHT | SG1 | MAP GND | -> C14 | D22 | GRN/BLU | SG2 | TPS GND | -> C12 [splice for o2 -> grn] +--------+------------+--------------+----------------------------------+ -truE_