Pinpoint Tests

Pinpoint tests can be performed for problem areas of instrument cluster. Use PINPOINT TEST SYMPTOM INDEX table to determine proper test. Note instrument cluster wiring connector and pin identification before performing pinpoint tests. See Fig 1 -6.

Fig 1: Electronic Instrument Cluster Connector C1 ID (Villager)

Courtesy of FORD MOTOR CO.

Fig 2: Electronic Instrument Cluster Connector C2 ID (Villager)

Courtesy of FORD MOTOR CO.

Fig 3: Electronic Instrument Cluster Connector C3 ID (Villager)

Courtesy of FORD MOTOR CO.

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.

PINPOINT TEST SYMPTOM INDEX

Symptom		Pinpoint Test
Electronic Cluster Diagnosis
Display Not Lit, Too Dim, Or Blank		A
Display Does Not Respond To Buttons		B
Fuel Gauge Diagnosis
Fuel Gauge Always Reads Empty		C
Fuel Gauge Inaccurate		D
Fuel Gauge Always Reads Full		E
Temperature Gauge Diagnosis
Temp. Gauge Inaccurate		F
Speedometer Diagnosis
Speedometer Reads Zero Or Indication Varies Erratically		G
Speedometer Reads Too High Or Too Low		H
Cruise Control Diagnosis
Cruise Control Indicator Always On		J
Cruise Control Indicator Does Not Come On When Engaged		K
Odometer Diagnosis
Mileage Reads Too High Or Too Low		L
Odometer Does Not Accumulate Mileage Or Counts One Mile & Jumps Back One Mile		M
Tachometer Diagnosis
Tachometer Reads Too High, Too Low Or Erratic		N
Message Center Control Assembly Diagnosis
Instant/Average Fuel Economy Always Indicates Zero Miles/Gal. Or 99 Miles/Gal.		P
Trip Distance Does Not Accumulate		Q
Distance-To-Empty Does Not Go Below 200 Miles With Fuel Tank Empty, Or Distance-To-Empty Always Indicates Zero		R
Trip Distance Does Not Accumulate Or Changes - Distance-To-Empty Always Reads Zero Or Never Changes		S
Warning Indicators Diagnosis
Low Fuel Indicator Never/Always On		T
Temperature Gauge Incorrect		U
Door Ajar Warning Never/Always On		V
Charging System Warning Never/Always On		W
Low Washer Fluid Warning Never/Always On		X
Brake Warning Never/Always On		Y
Turn & High Beam Warning Never/Always On		Z
Left Turn Indicator Never/Always On		AA
Right Turn Indicator Never/Always On		AB
High Beam Warning Indicator Never/Always On		AC
Seat Belt Warning Chime Never/Always On		AD
Low Oil Pressure Warning Never/Always On		AE