LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2004 >> Excursion 6.8 S, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Symptom Charts - CNG, Flex-Fuel & Gasoline >> Step 3: No DTC(s) Present Symptom Charts >> Chart 21

Chart 21

Climate Control:

SYSTEM/COMPONENT REFERENCE ( PINPOINT TEST - CNG, FLEX-FUEL & GASOLINE  ) unless noted 
Mustang only:
A/C electrical circuits
For lack of A/C cooling or A/C not functioning:
GO to X: Constant Control Relay Module (CCRM) STEP X42 (Mustang)
For A/C always on:
GO to X: Constant Control Relay Module (CCRM) STEP X69 (Mustang)
For A/C does not CUT-OFF under WOT conditions:
GO to X: Constant Control Relay Module (CCRM) STEP X67 (Mustang)
A/C System If sent here with WACF PID indicating a fault (or YES):
GO to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS and follow direction for KOEO DTC P0645.
All others:
Climate Control System - Refer to the appropriate CLIMATE CONTROL SYSTEM article.