Reference pin assignments for selected Simos 18 ECU coolant-pump and turbocharger-speed signals.
Pin assignments
A 105/84 — PWM_CWP[INTER_HEAT] Used on European vehicles.
K 91/15 — PWM_CWP[GB_COOL] Used on some vehicles.
A 105/75 — N_TCHA Turbocharger Hall Sensor
A 105/21 LV_SAV / PWM_WG Secondary air/N75 wastegate for china market
Before connecting
Confirm the connector designation and pin numbering on the specific ECU and vehicle wiring diagram before making any connection. Equipment and market variants can use different assignments.