DTC 21
DTC 21: Voltage For IG11. Turn the ignition switch OFF.
2. 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 3.
NO - Replace the fuse and recheck.
3. Disconnect EPS control unit connector C (13P).
4. Turn the ignition switch ON (II).
5. Measure voltage between EPS control unit connector C (13P) terminal No. 6 and body ground.
Is there battery voltage?
YES - Check for poor connections or loose terminals 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 the EPS control unit. If the wire is OK, check for an open circuit inside the under-dash fuse/relay box.