P1652
Thread Starter
Retired Senior Admin
Expert Gearhead
Joined: May 2006
Posts: 29,661
Likes: 40
From: Sheboygan Wisconsin
P1652
P1652
Description
FAN 2 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 2
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
Solutions
Description
FAN 2 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 2
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 2 relay
driver circuit.
Solutions
- Check voltage at fan connection. Should be battery votage.
- Check fan 2 relay ignition feed fuse.
- Replace fan 2 relay.
Thread
Thread Starter
Forum
Replies
Last Post
