Supra Liftback L6-2997cc 3.0L DOHC MFI Twin-Turbo (1997)
(a) Disconnect the ECM from the ECU bracket.
(b) Install SST (check harness) between the ECM and wiring connectors. SST 09990-01000
(c) Turn the ignition switch ON.
(d) Disconnect the vacuum hose from the turbo pressure sensor.
(e) Connect a voltmeter to terminals PIM and E2 of the ECM and measure the output voltage under ambient atmospheric pressure.
(f) Apply vacuum to the turbo pressure sensor in 13.3 kPa (100 mmHg, 3.94 in.Hg) segments to 66.7 kPa (500 mmHg, 19.69 in.Hg).
(g) Measure the voltage drop from step (c) above for each segment.
(h) Remove the SST. SST 09990-01000
