BE/Body Electrical System — Inspection of Ignition Switch Circuit, page 94

D     INSPECTION OF IGNITION SWITCH CIRCUIT

Turn ignition switch to ON
or ACC position.

Is CIG fuse normal?     No     Replace fuse.
                              Is operation normal?     No     Short circuit in wire harness
                                                              between fuse and terminal 4
                                                              of computer.
            Yes
                              Yes

                              Fuse faulty.

COMPUTER

INSPECT IGNITION SWITCH CIRCUIT                           Open circuit in wire harness between fuse
Disconnect connector from computer.              No       and terminal 4 of computer.
Is there battery voltage between terminal 4 of
wire harness side connector and body
ground?

            Yes

            Replace computer.