Honda ACCORD HYBRID 2005 Service Manual page 1924

Gauges
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC B1175: Fuel Gauge Sending Unit Signals
Input Error
1. Do the fuel gauge sending unit test (see page
11-371).
Is the fuel gauge sending unit OK?
Y E S — G o t o step 2.
NO—Replace the fuel gauge sending u n i t . H
2. Disconnect the gauge 30P connector control
m o d u l e .
3. Check for continuity between the No. 3 and No. 4
terminals of the gauge control m o d u l e 30P
connector and No. 1 and No. 2 t e r m i n a l s of the fuel
pump/fuel gauge sending unit 5P connector.
F U E L P U M P / F U E L G A U G E S E N D I N G UNIT
5P CONNECTOR
Wire side of female t e r m i n a l s
Y E L / B L K
B L K / W H T
- 1 2
3
V
5
/
1 2 3 4 5 6 7
x
8 9 10
/
12 13 14
15
16 17
/
19 20 21 24 25 26
/
28 29
/
G A U G E CONTROL M O D U L E 30P C O N N E C T O R
Wire side of f e m a l e t e r m i n a l s
4. Check for continuity between the No. 3 and No. 4
terminals of the gauge control m o d u l e 30P
connector and body g r o u n d .
G A U G E CONTROL M O D U L E 30P C O N N E C T O R
ORN
PUR
1 2 3 4 5 6 7 8 9 10
/
12 13 14
15 16 17
/
19 20 21
/M
23
24 25 26
/
28 29
/
W i r e side of female terminals
Is there continuity?
Y E S — R e p a i r a short in the w i r e . H
NO—Inspect all pinfits between the gauge control
m o d u l e and the sending unit. If circuit integrity is
g o o d , and the p r o b l e m still exist, swap gauge
control m o d u l e w i t h a k n o w n - g o o d one. If the
p r o b l e m is gone, replace the gauge control m o d u l e
(see page 22-235). •
Is there continuity?
Y E S — G o to step 4.
NO—Repair an open in the w i r e between the gauge
control module and fuel gauge sending u n i t . H
22-242