Pinpoint Test Index
Pinpoint tests can be performed for problem areas of instrument cluster. Use PINPOINT TEST INDEX table to determine proper test. Note instrument cluster wiring connector and pin identification before performing pinpoint tests. See Fig 1 & 6.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES
article in GENERAL INFORMATION before disconnecting battery.
NOTE:
Following pinpoint tests are courtesy of Ford Motor Co.
PINPOINT TEST INDEX
| Symptom | Pinpoint Test | ||
|---|---|---|---|
| Cluster Control Assembly Diagnosis | |||
| Display Not Lit | AA | ||
| Display Backlit But Blank | AA | ||
| Display Lit But Too Dim | AA | ||
| Display Blank But Backlit | AA | ||
| Display Scrambled, Segments Half Lit, Segments Blinking Or Missing, Incorrect Display | AB | ||
| Display Stuck With All Segments On | AB | ||
| No Beep When Buttons Pressed Or Driver Alert Given | AC | ||
| Fuel Gauge Diagnosis | |||
| CO Displayed, Diagnostic Bars Displayed | BA | ||
| CS Displayed, Diagnostic Bars Displayed | BB | ||
| Fuel Gauge Inaccurate | BC | ||
| Temperature Gauge Diagnosis | |||
| Temperature Gauge Displays Diagnostic Bars | CA | ||
| Temperature Gauge Always Indicates Hot Or Cold | CB | ||
| No Beep When Thermometer Symbol Blinks | CC | ||
| Speedometer Diagnosis | |||
| Speedometer Always Indicates Zero | DA | ||
| Speedometer Always Indicates Too High Or Too Low | DB | ||
| Speed Indication Varies Erratically | DC | ||
| Speed Control Indicator Always On | DD | ||
| Speed Control Indicator Never On | DE | ||
| Odometer Diagnosis | |||
| "S" Appears In Display | EA | ||
| Vehicle Mileage Too High Or Too Low | EB | ||
| Mileage Does Not Accumulate | EC | ||
| Display Indicates "Error" | ED | ||
| Message Center Control Assembly Diagnosis | |||
| Trip Distance Does Not Accumulate | EC | ||
| Instantaneous Fuel Economy Always Indicates Zero | |||
| Miles/Gal. Or 99L/100 KM | FA | ||
| Distance To Empty Does Not Go Below 200 Miles (322 KM) | FB | ||
| Distance To Empty Stays At Zero | FB | ||
| Ambient Temperature Sensor Diagnosis | |||
| Outside Air Temperature Indication Wrong | GA | ||
| Outside Air Temperature Always | |||
| Indicates -40°F (-40°C) | GA | ||
| Indicates 135 - 140°F (57 - 60°C) | GA | ||
| Warning Indicators Diagnosis | |||
| Door Ajar Always/Never Comes On | HA | ||
| Trunk Ajar Always/Never Comes On | HB | ||
| Charging System Warning Is Always On | HC | ||
| Air Suspension Warning Is Always On | HD | ||
| Windshield Washer Fluid Warning Is Always On | HE | ||
| BRAKE Warning Always/Never On | HF | ||
| High Beam Warning Always/Never On | HG | ||
| Anti-Lock Warning Always/Never On | HH | ||
| Low Oil Warning Always/Never On | HJ | ||
| Air Bag Warning Always/Never On | HK | ||
| Overdrive Indicator Always/Never On | HL | ||
| Transmission Indicator Always/Never On | HM | ||