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Old 09-27-2009, 01:21 PM   #1
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Default P1651

P1651

Description
FAN 1 RELAY CONTROL CIRCUIT

Output Driver Modules (ODM) are used by PCM to turn on
current-driven devices needed to control various engine and transaxle
functions. Each ODM can control up to 7 outputs, including fan 1
relay, by supplying ground to device PCM is commanding on. ODMs can
diagnose each circuit individually.

Symptoms
You likely won't notice any drivability problems.

Causes

  • An improper voltage level has been detected on fan 1 relay
    driver circuit.

Solutions
  • Check voltage at fan connection. Should be battery votage.
  • Check fan 1 relay ignition feed fuse.
  • Replace fan 1 relay.
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