Disconnect the battery negative cable, and wait for 3 minutes.
Disconnect the TR1o connector (A) from the TR1i connector (B).
Disconnect the U2o connector (A) from the SRS unit.
Disconnect the SRS inflator simulator (special tool) from the SRS simulator lead C.
Reconnect the battery negative cable.
Turn the ignition switch ON (ll).
Check for voltage between the A terminal of the SRS simulator lead C (special tool) and body ground, between the B terminal and body ground, between the C terminal and body ground, and between the D terminal and body ground. There should be 0.5 V or less.