VW / Audi 5-Pin MAF Sensor Connector – OEM 1J0973775A | Golf Passat Tiguan A4 A6
Direct OEM-specification replacement for the Volkswagen and Audi 5-pin MAF (Mass Air Flow) sensor connector. Cross-references OEM part number 1J0973775A (1J0 973 775A). Used on Bosch hot-wire MAF sensors across VAG platforms. Available bare or with 15cm pre-wired leads.
| Segment | Meaning |
|---|---|
| 1J0 | VW Golf Mk4 / Bora platform code |
| 973 | Electrical connector component group |
| 775A | 5-pin MAF connector variant |
| Pin | Function | Failure Symptom if Corroded |
|---|---|---|
| 1 | +12V power supply to MAF sensor | MAF sensor inactive, P0100 circuit malfunction |
| 2 | Ground (KL31) | MAF signal erratic, P0101 range/performance |
| 3 | MAF signal output to ECU | P0102 / P0103 — MAF circuit low/high |
| 4 | Intake air temperature (IAT) signal | P0110–P0113 — IAT circuit fault |
| 5 | IAT ground / signal return | Incorrect IAT reading, fuelling error |
| Attribute | Detail |
|---|---|
| Pin Count | 5-Pin |
| OEM Part Number | 1J0973775A / 1J0 973 775A |
| Housing Material | High-temp nylon (PA66), waterproof sealed |
| Wire Option | Bare connector / 15cm pre-wired leads |
| Application | MAF / air flow meter sensor harness |
| Compatible Brands | Volkswagen, Audi, SEAT, Škoda |
| Code | Description |
|---|---|
| P0100 | MAF sensor circuit — malfunction |
| P0101 | MAF sensor circuit — range/performance |
| P0102 | MAF sensor circuit — low input |
| P0103 | MAF sensor circuit — high input |
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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5 Pin Connectors
