z
Turn the ignition switch to the ON
position (Engine off).
z
Measure the voltage between the
following circuits:
Dual fan control module
{
Fan control module No. 1
terminal 1 B (wiring
harness-side) and body
ground.
{
Fan control module No.2
terminal B (wiring harness-
side) and body ground.
Single fan control module
{
Fan control module terminal
1 B (wiring harness-side)
and body ground.
z
Are there voltage
B+
?
No
Go to the next step.
7
INSPECT FAN CONTROL
CIRCUIT FOR SHORT TO
GROUND
z
Turn the ignition switch off.
z
Inspect continuity between the
following circuits:
Dual fan control module
{
Fan control module No.1
terminal 1 B (wiring
harness-side) and body
ground.
z
Fan control module No.2 terminal
B (wiring harness-sideband body
ground.
Single fan control module
{
Fan control module terminal
1 B (wiring harness-side)
and body ground.
z
Are there continuity?
Yes
Repair or replace suspected part, then go to
Step 10.
No
Go to the next step.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:33 AM
Page 254
© 2005 Mitchell Repair Information Company, LLC.