Circuit Check General Information (C70, S70 & V70)
Power supply to the ECM terminal A70 is from fuse 11 B/3 via the system relay. See appropriate WIRING DIAGRAMS article. Power supply to ECM terminals B11 is from fuse 11 B/1 via relay terminal 30+. The ECM ground terminal is common to ECM terminals A53, A54 and A63 (turbo models).
Circuit Check General Information (S80)
Power supply to the ECM terminal A70 is from fuse 11 B/18 via the system relay. See appropriate WIRING DIAGRAMS article. Power supply to ECM terminals B11 is from fuse 11 B/14 via relay terminal 30+. The ECM ground terminal is common to ECM terminals A53, A54 and A63 (turbo models).