Pioneer Dehp01 Manual 'link' -

Ensure the Yellow wire connects to constant unswitched battery power. ⚡ Maximizing Digital Audio Inputs

The constant power (Yellow) and ignition accessory (Red) wires are swapped. Re-verify your vehicle wiring harness diagram. pioneer dehp01 manual

Secure the microphone to the driver's seat headrest at ear level. Plug the microphone into the auxiliary input on the unit. Access the (with the unit turned off via SRC). Select Auto-EQ / Auto-TA and press start. Ensure the Yellow wire connects to constant unswitched

Choose your listening position (typically for driver-side prioritization). Secure the microphone to the driver's seat headrest

Despite being a JDM unit, most DEH-P01 units actually display their information in English by default. Only a small number of units have Japanese-language displays. Before panicking about the language barrier, check your unit—you may be pleasantly surprised.

| Media Type | Supported Formats | Notes | |------------|------------------|-------| | CD | Music CD, CD-R/RW | 8cm CDs not supported| | USB | MP3, WMA, AAC, WAV | FAT16/FAT32 format, up to 500 folders, up to 15,000 files| | iPod/iPhone | iPod nano (1st–4th gen), iPod 5th gen | USB connection; older software versions may not be supported| | FM/AM Tuner | FM: 9 dBf sensitivity; AM: 25 μV | JDM model requires band expander for non-Japanese markets|