NIStune Feature Pack V.1 - Manual (Page 24)

Page 24 of 27
RB25DET using RB20DET ECU
Spare LED output (23710-04UXX R32 ECU, 23710-74Lxx/79Lxx A31 Cefiro ECU)
1. Utilise spare GREEN diagnostic LED (Available A31 and early R32 ECUs only)
A31: HCR32_FOR_RB25_11U00_74L00_MT_FP_TPS_VCT_LEDOUT_v5.ent
R32: HCR32_FOR_RB25_11U00_MT_FP_TPS_VCT_LEDOUT_v5.ent
HCR32 ECUs must be part number 23710-04UXX or MEC-R1XX which have the placement for the second LED on the
circuit board
2. Remove the GREEN LED (if fitted and supporting diode on reverse side of the ECU)
3. Solder the VCT line where shown (where the GREEN LED was fitted)
4. Solder to pin 113 as pictured
5. Fitment should look as pictured