DTC 21

DTC 21: Voltage For IG1
1. Check the No. 21 (7.5 A) fuse in the under-dash fuse/relay box.

NOTE: All indicators except the charging system indicator will not come on when the No. 21 (7.5 A) fuse is blown.

Is the fuse OK?
YES- Go to step 2.
NO- Replace the fuse and recheck.
2. Disconnect EPS control unit connector C (13P).
3. Turn the ignition switch ON (II).





4. Measure the voltage between EPS control unit connector C (13P) terminal No. 6 and body ground.
Is there battery voltage?
YES- Check for loose terminals and poor connections at the EPS control unit. If necessary, substitute a known-good EPS control unit and recheck.
NO- Repair open in the wire between the No. 21 (7.5 A) fuse in the under-dash fuse/relay box and EPS control unit. If the wire is OK, check for an open circuit inside the under-dash fuse/relay box.