Check for voltage between Hands Free Telephone control unit the 22P connector terminal No. 2 and body ground.
Is there voltage?
YES
-
Replace the
Hands Free Telephone control unit
.■
NO
-
Check the No. 35 (7.5 A) fuse in the under-dash fuse/relay box. If the fuse is OK, check for an open in the wire between the under-dash fuse/relay box and the Hands Free Telephone control unit. If the fuse is OK, replace the
Hands Free Telephone control unit
.■