TEST ACTION APPLICABILITY
15 Turn the ignition off.
Disconnect the S/C Servo harness connector.
Using a 12-volt test light connected to 12-volts, probe the ground circuit in the S/C
Servo harness connector.
Does the test light illuminate brightly?All
Ye s®Go To 16
No®Repair the ground circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
16WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DRB Freeze Frame information. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform POWERTRAIN VERIFICATION TEST VER - 4.
No®Test Complete.
252
SPEED CONTROL
P1595-SPEED CONTROL SOLENOID CIRCUITS ÐContinued