Cars · Sensors
PG7 ECU Identification and Variants
Technical overview of the PG7 ECU used in 1986–1989 Acura Integra models, highlighting the critical differences between vacuum-advance and electronic-advance variants.
The PG7 ECU was utilized in the 1986â1989 Acura Integra equipped with the D16A1 engine. Honda utilized the "PG7" designation for two distinct hardware revisions. It is critical to identify the specific variant, as they are not interchangeable.
ECU Variants
- 1986â1987 PG7: Designed for the D16A1 engine utilizing vacuum-based ignition timing advance.
- 1988â1989 PG7: Designed for the D16A1 engine utilizing electronic ignition timing advance.
Warning
The 86-87 and 88-89 PG7 ECUs are electrically and mechanically distinct. Ensure correct identification before installation or diagnostic procedures to prevent engine damage.
Technical Documentation
| File | Description |
|---|---|
| PG7manual.jpg0 | 1988â1989 PG7 Manual Transmission (Electronic Advance) |
| TJsPG7.jpg0 | High-resolution reference image of the 1988â1989 PG7 MT ECU |

*Front view of the 88-89 PG7 ECU circuit board*
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*Detailed view of the 88-89 PG7 ECU internal components*