Climate Control Power and Ground Circuit Troubleshooting
Check for continuity between climate control unit connector B (12P) No. 3 terminal and body ground.
Is there continuity?
YES
-
Check for loose wires or poor connections at climate control unit connector B (12P). If the connections are good, substitute a known-good
climate control unit
, and recheck.■
NO
-
Check for an open in the wire between the climate control unit and body ground. If the wire is OK, check for poor ground at G401,
with navigation,
without navigation.
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