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Data Communication Module (DCM)

G13203520Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Contents Measuring condition Standard
(i270) No. 1 - - -
(i270) No. 2 - - -
(i270) No. 3 LED GREEN - -
(i270) No. 4 ←→
Chassis ground
i-button i-button OFF → ON 1.6 kΩ or more → Less than 1 Ω
(i270) No. 5 ←→
Chassis ground
SOS button SOS button OFF → ON 1.6 kΩ or more → Less than 1 Ω
(i270) No. 6 High-body CAN - -
(i270) No. 7 Low-main CAN - -
(i270) No. 8 ←→
Chassis ground
Ignition power supply Ignition switch OFF → ON Less than 1 V → 9 → 16 V
(i270) No. 9 - - -
(i270) No. 10 ←→
Chassis ground
Battery power supply Always 9 - 16 V
(i270) No. 11 - - -
(i270) No. 12 - - -
(i270) No. 13 LED RED - -
(i270) No. 14 ←→
Chassis ground
GND Always Less than 1 Ω
(i270) No. 15 - - -
(i270) No. 16 Low-body CAN - -
(i270) No. 17 High-main CAN - -
(i270) No. 18 Collision detection signal - -
(i270) No. 19 MUTE - -
(i270) No. 20 ←→ Chassis ground ACC Ignition switch OFF → ACC ON Less than 1 V → 9 - 16 V
(i271) No. 1 Front speaker input LH - -
(i271) No. 2 Front speaker output LH - -
(i271) No. 3 Front speaker input RH - -
(i271) No. 4 Front speaker output RH - - -
(i271) No. 5 MIC signal OUT - -
(i271) No. 6 MIC signal IN - -
(i271) No. 7 - - -
(i271) No. 8 MIC 5 V - -
(i271) No. 9 Front speaker input LH + - -
(i271) No. 10 Front speaker output LH + - -
(i271) No. 11 Front speaker input RH + - -
(i271) No. 12 Front speaker output RH + - -
(i271) No. 13 ←→ Chassis ground MIC GND OUT Always Less than 1 Ω
(i271) No. 14 MIC GND IN - -
(i271) No. 15 - - -
(i271) No. 16 - - -