Ford Explorer 2003 Workshop Manual page 2

2003 Explorer/Mountaineer Workshop Manual
The defrost system will not shut off automatically — can be
turned ON and OFF with the defrost switch
Connector Circuit Reference
Instrument Cluster Module (ICM) C220a
Pin Number(s) Circuit Designation/Description
4 CKT 1009 (OG/YE) heated backlight relay Greater than 10,000 ohms to chassis ground and 0 volts.
15 CKT 688 (GY/LB) heated backlight ON/OFF Greater than 10,000 ohms to chassis ground and 0 volt.
DATC Module C228a (if equipped)
Pin Number(s) Circuit Designation/Description
12 CKT 688 (GY/LB) heated backlight ON/OFF Greater than 10,000 ohms to chassis ground and 0 volts.
Function Selector Switch C294b — Manual Climate Control (if equipped)
Pin Number(s) Circuit Designation/Description
12 CKT 688 (GY/LB) heated backlight ON/OFF Greater than 10,000 ohms to chassis ground and 0 volts.
Heated Backlight Power C402a
Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
1 CKT 186 (BN/LB) power
Heated Backlight Ground C402b
Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
1 CKT 1205 (BK) ground
Driver Window Control Switch C504a
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS3N/~MUS~LEN/19/S...
ICM.
Normal Condition/Measurement
Normal Condition/Measurement
Normal Condition/Measurement
Greater than 10 volts with key ON and rear window defrost ON.
Less than 5 ohms to chassis ground.
INSTALL a new ICM. REFER to Section 413-00.
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1/17/2011