(All Session Laps)
| Pos. | No. | Drivers | Car | Entrant | All Best | Q Time | FL Time |
| 1st | 16 | Masanori Sekiya | March 89GC Mugen | Leyton House Racing Team | 1:19.904 | 1:19.9040 | |
| 2nd | 8 | Keiji Matsumoto | MCS 9 Mugen (Lola T88/50) | Meiju Racing Team | 1:20.377 | 1:20.3770 | |
| 3rd | 17 | Tetsuya Oota | MCS 8 Mugen (Lola T87/50) | Checker Motors & Noji | 1:20.663 | 1:20.6630 | |
| 4th | 24 | Emanuele Pirro | MCS 9 Mugen (Reynard 89DGC) | Kawai Steel Racing Team Le Mans | 1:20.831 | 1:20.8310 | |
| 5th | 7 | Kunimitsu Takahashi | Cerumo 89Ge Mugen (Lola T88/50) | Advan Sports Nova | 1:20.883 | 1:20.8830 | |
| 6th | 26 | Takao Wada | Mad House F4 Mugen (Lola T88/50) | Advan Sport Pal | 1:20.887 | 1:20.8870 | 1:22.2940 |
| 7th | 15 | Hideki Okada | March 89GC Mugen | Leyton House Racing Team | 1:21.046 | 1:21.0460 | |
| 8th | 19 | Kazuyoshi Hoshino | Cerumo 89Ge Mugen (Lola T88/50) | Cabin Racing Team With Impul | 1:21.102 | 1:21.1020 | |
| 9th | 25 | Geoff Lees | MCS 9 Mugen (Reynard 89DGC) | Kawai Steel Racing Team Le Mans | 1:21.140 | 1:21.1400 | |
| 10th | 6 | Eje Elgh | R&D 88Q Mazda (Lola T88/40) | Sundai Spilit Team | 1:21.602 | 1:21.6020 | |
| 11th | 60 | Takashi Yorino | Cerumo 89Ge Mazda (Lola T88/50) | Itoham Racing Team | 1:21.881 | 1:21.8810 | |
| 12th | 33 | Masatomo Shimizu | Mad House Ford (Lola T86/50) | Shimizu Racing | 1:23.516 | 1:23.5160 | |
| 13th | 31 | Katsunori Iketani | MCS 7 Ford (March 86B) | Super Cad With Checker | 1:23.547 | 1:23.5470 | |
| 14th | 28 | Kazuo Mogi | MCS 9 Ford (Lola T88/50) | Fet With Zoom Racing | 1:23.575 | 1:23.5750 | |
| 15th | 2 | Yojiro Terada | R&D 89Q Mazda (March 88GC) | Artnature Racing Team | 1:23.906 | 1:23.9060 | |
| 16th | 46 | Fumio Mutou | MCS 7 Ford (March 86B) | TTS Racing | 1:25.019 | 1:25.0190 | |
| 17th | 14 | Masahiro Kimoto | MCS 7 Ford (March 86B) | Hermanos Racing | 1:26.727 | 1:26.7270 | |
Entered cars that did not arrive:
| No. | Drivers | Car | Entrant |
| 3 | Taku Akaike | Cerumo 89Ge Mugen | Team Taku |
| 70 | Yoshimi Katayama | MCS 7 Mazda (March 86B) | Lenox Katayama Racing |
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