Pontiac Fiero 1988 Service Manual page 1085

INSTRUMENT PANEL: INDICATORS C L U S T E R
(Continued from previous page)
C: CONNECTOR C 3 PINOUT TEST
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IGNITION SWITCH IN RUN
EXCEPT FOR RESISTANCE
MEASUREMENTS
MAKE ALL RESISTANCE
MEASUREMENTS TO GROUND
WITH THE NEGATIVE BATTERY
CABLE REMOVED
MEASURE VOLTAGES TO
GROUND UNLESS ANOTHER
TERMINAL IS GIVEN
CLUSTER CONNECTOR C3 AS
SEEN FROM THE DRIVER'S
SEAT WITH THE INDICATORS
CLUSTER REMOVED
CONNECTOR C3 IS ON THE
RIGHT SIDE
IF THE CORRECT VOLTAGE OR
RESISTANCE IS FOUND AT THE
TERMINALS, AND THE CLUSTER
FUNCTION THAT USES THOSE
TERMINALS DOES NOT
RESPOND CORRECTLY TO THE
MEASURED INPUTS, CHECK
THE BULBS AND PRINTED
CIRCUIT, THEN REPLACE THE
GAGE OR INSTRUMENT
CLUSTER (SEE SECTION SC)
IF THE CORRECT VOLTAGE OR
RESISTANCE IS NOT FOUND AT
A TERMINAL, DO THE TEST
GIVEN OR GO TO THE PAGE
REFERRED
FROM ECM TO UPSHIFT INDICATOR. DO
TESTS.
_ TAN/BLK (456) 1
LH TURN INDICATOR. FLASHING
BATTERY VOLTAGE WITH LH TURN
SIGNAL ON.
SEE SECTION 8A-110.
LT BLU (14)
PANEL ILLUMINATION. VARIABLE
VOLTAGE WITH LIGHTS ON AND DIMMER
CONTROL ADJUSTED.
SEE SECTION 8A-117.
GRY (8) 3
RH TURN INDICATOR. FLASHING
BATTERY VOLTAGE WITH RH TURN
SIGNAL ON.
SEE SECTION 8A-110.
DK BLU (15)
IGNITION POWER TO THE CHARGE
INDICATOR.
SEE SECTION 8A-11.
PNK/BLK (39)
CHARGE INDICATOR.
SEE SECTION 8A-30.
BRN (25) 6
FUEL GAGE INPUT. 0 OHMS (EMPTY) TO
90 OHMS (FULL). DO TESTS D, F AND E.
PNK (30)
7
FASTEN BELTS INDICATOR. BATTERY
VOLTAGE FOR ABOUT 6 SECONDS AFTER
KEY IS SWITCHED TO RUN.
SEE SECTIONS 8A-75, 76, 77.
YEL (237) 8
IGNITION POWER FROM GAGES FUSE.
SEE SECTION 8A-11.
PNK/BLK (39) 9
ED-
TACHOMETER INPUT. DO TEST P.
18 WHT (121)
OIL PRESSURE GAGE FROM OIL
PRESSURE SENDER. 0 OHMS (LOW) TO 90
OHMS (HIGH) OIL PRESSURE. DO TESTS
L, M AND N.
17 TAN (31)
NOT USED
16
PANEL ILLUMINATION INPUT. VARIABLE
VOLTAGE WITH LIGHTS ON AND DIMMER
CONTROL ADJUSTED.
SEE SECTION 8A-117.
15 GRY (8)
BRAKE INDICATOR. 0 OHMS WITH PARK
BRAKE SET. SEE SECTION 8A-41.
14 TAN/WHT (33)
COOLANT TEMPERATURE INDICATOR
FROM COOLANT TEMPERATURE SENDER/
SWITCH. DO TEST J AND K.
13 DK GRN (35)
HI BEAM INDICATOR. BATTERY VOLTAGE
WITH HI BEAMS ON.
SEE SECTION 8A-100.
12 LTGRN (11)
GROUND TO G201.
SEE SECTION 8A-14.
11 BLK (150)
SERVICE ENGINE SOON INDICATOR.
SEE SECTION 6E.
10 BRN/WHT (419)
m
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