Operation CHARM: Car repair manuals for everyone.

Checking For an Open-Circuit




Checking For An Open-Circuit







Check fuse no.7 in central electrical unit.

Check cable between data link connector (DLC) #7 and fuse no.7 in central electrical unit for an open-circuit according to Checking wiring and terminals - Permanent faults and for a short-circuit to ground according to Checking wiring and terminals - Permanent faults.

Check main fuse no.5 in central electrical unit.

Check cable between main fuse no.5 and fuse no.7 in central electrical unit for an open-circuit according to Checking wiring and terminals - Permanent faults and for a short-circuit to ground according to Checking wiring and terminals - Permanent faults.

Also check connectors for contact resistance and oxidation according to Checking wiring and terminals - Permanent faults.

Checking Wiring and Terminals - Permanent Faults

Remedy as necessary.

After performing this procedure Checking Power Ground and Signal Ground