The CB403 is the improved version of the CB401 supplied with the ZN151: it's for connecting to the modern connectors on ECUs, TCUs and other modules the CB401 doesn't cover, on cars, trucks, buses and heavy vehicles, to read, write, virginise, personalise and update units on the bench.
Required licences
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Hardware / cables
ZN151
CB403
AVDI
Procedure
Connect the HD15 connector of the main cable (70 cm, all pins wired) to the ZN151 DS Box; the other end has round female terminals to plug the probes into.
Use this HD15 pinout to know what you have in hand: pin 1 pink = "IGN"; pin 2 yellow and yellow/white = "B+" (on both wires); pin 3 red/blue = "K-LINE 1"; pin 4 purple = "BOOT 2"; pin 5 white = "BOOT 1"; pin 6 green = "T2"; pin 7 brown = "T1"; pin 8 red = "CAN H".
If you need to take the same signal to several points, use the splitters supplied: 4 adapters, 1 male to 3 females with round terminals.
Pick the right probes (they all have a round male terminal to plug into the HD15 main cable): grey 20 cm with 4 crocodile clips, 2 small probes, 2 medium and 2 with no terminal; red 20 cm with 1 small and 1 medium; blue 20 cm with 1 small and 1 medium; brown 20 cm with 1 small and 1 medium; green 20 cm with 1 small and 1 medium.
Remaining probes: orange 20 cm with 2 small and 1 medium; black 20 cm with 1 small, 2 medium and 1 large; yellow 20 cm with 1 small, 2 medium and 1 large; grey 30 cm with no terminal (1 pc); purple 30 cm with no terminal (1 pc).
Wire the ECU following the PIN OUT diagrams in the manual, always starting from GND, and only then feed the ZN151 with external 12V.
Reference screenshots
Source: Manuale ECU Programming Tool, parte 1 di 3, cap. 2.3 e 7 (p.15-17, 32-33) · ⏱ estimated time 15 min