Mazda MX-6 1998, Workshop Manual

Page: 1261 / 1282

INSTRUMENTATION/DRIVER INFO.
DTC 22 Fuel remaining amount input signal
STEP INSPECTION
INDICATION SITUATION
ACTION
1
Check the LCD indication.
n r i n
u u u
W 6 U 9 2 2 W B 5
—
• Check the fuel gauge
sender unit.
• Check the wiring
harness. (Instrument
cluster — fuel gauge
sender unit)
n r r
. i _ _ i _ i
W 6 U 9 2 2 W B 6
—
• Check the fuel gauge
sender unit.
• Check the wiring
harness. (Instrument
cluster — fuel gauge
sender unit — GND)
n n I
U U I
□ r n
■__ _ i n
W 6 U 9 2 2 W B 7
—
Go to next step.
2
Disconnect the fuel pump
connector.
Connect the red lead of SST
(Fuel & Thermometer
Checker) to terminal B of
fuel pump connector and
ground to the black lead.
Set up the
SST (Fuel &
Thermometer Checker)
resistance to 10 iî.
n z i — i
U L _ I
n — \ m
U
___
11
___
W 6 U 9 2 2 W B 8
The LCD indication range
is 27— 32.
Go to next step.
Other than above stated.
Replace the display unit
assembly.
3
Set up the SST (Fuel &
Thermometer Checker)
resistance to 55 A.
I
n
r
I
U
Z )
i i I
I I I
W 6 U 9 2 2 W B 9
The LCD indication range
is 105— 111.
Go to next step.
Other than above stated.
Replace the display unit
assembly.
4
Set up the SST (Fuel &
Thermometer Checker)
resistance to 100 Î2.
I U “ I
I I _J
1
1
1
1
1
1
1 Ù o
1 1 _ J
W 6 U 9 2 2 W 8 A
The LCD indication range
is 143— 149.
Instrument cluster is okay.
Other than above stated.
Replace the display unit
assembly.
DTC 23 Operation signal to the fuel gauge
INSPECTION INDICATION SITUATION ACTION
Wait for 2 seconds after selecting DTC
23.
(No indication)
Fuel gauge needle
repeatedly points to
F, 1/2,
E.
Fuel gauge is okay.
Other than above stated.
Replace the display unit
assembly.
0 9 -2 2 -4