Acura RSX Honda Integra. Manual — part 162
04
05
06
−
−
−
−
YES
NO
YES
NO
11-354
Fuel Supply System
Fuel Pump Circuit Troubleshooting (cont’d)
MRLY
(RED/YEL)
JUMPER WIRE
ECM/PCM CONNECTOR E (31P)
ECM/PCM CONNECTOR E (31P)
IMOFPR
(GRN/YEL)
ECM/PCM CONNECTOR E (31P)
IMOFPR
(GRN/YEL)
9. Reinstall PGM-FI main relay 2 (FUEL PUMP).
10. Connect ECM/PCM connector terminal E7 to body
ground with a jumper wire.
11. Turn the ignition switch ON (II).
12. Measure voltage between ECM/PCM connector
terminal E1 and body ground.
Go to step 13.
Replace PGM-FI main relay 2 (FUEL PUMP).
13. Turn the ignition switch OFF.
14. Reconnect ECM/PCM connector E (31P).
15. Turn the ignition switch ON (II), and measure
voltage between ECM/PCM connector terminal E1
and body ground within 2 seconds.
Update the ECM/PCM if it does not have the
latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).
Go to step 16.
16. Turn the ignition switch OFF.
17. Remove the rear seat cushion (see page 20-85).
18. Remove the access panel from the floor.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e batter y voltage?
Is ther e batter y voltage?
05/06/27 17:41:07 61S6M040_110_0354
07
05
09
01
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
11-355
FUEL PUMP 5P CONNECTOR
FUEL PUMP
(YEL/BLU)
IG1
(BLK/YEL)
PGM-FI MAIN RELAY 2 (FUEL PUMP)
5P CONNECTOR
JUMPER
WIRE
FUEL PUMP
(YEL/BLU)
FUEL PUMP 5P CONNECTOR
FUEL PUMP
(YEL/BLU)
FUEL PUMP 5P CONNECTOR
GND
(BLK)
19. Turn the ignition switch ON (II), and measure
voltage between fuel pump 5P connector terminal
No. 5 and body ground within 2 seconds.
Go to step 24.
Go to step 20.
20. Turn the ignition switch OFF.
21. Remove PGM-FI main relay 2 (FUEL PUMP).
22. Connect PGM-FI main relay 2 (FUEL PUMP) 5P
connector terminals No. 1 and No. 2 with a jumper
wire.
23. Turn the ignition switch ON (II), and measure
voltage between fuel pump 5P connector terminal
No. 5 and body ground within 2 seconds.
Replace PGM-FI main relay 2
(FUEL PUMP).
Repair open in the wire between PGM-FI main
relay 2 (FUEL PUMP) and the fuel pump 5P
connector.
24. Turn the ignition switch OFF.
25. Check for continuity between fuel pump 5P
connector terminal No. 4 and body ground.
Replace the fuel pump.
Repair open in the wire between the fuel
pump 5P connector and G501.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e batter y voltage?
Is ther e batter y voltage?
Is ther e continuity?
05/06/27 17:41:08 61S6M040_110_0355
01
02
S6M6AZHA20326428302FAAT00
−
−
2005-2006 models
YES
NO
11-356
Fuel Supply System
Fuel Pump Circuit Troubleshooting (cont’d)
A
PGM-FI MAIN RELAY 2
(FUEL PUMP)
5P CONNECTOR
IGP1
(YEL/BLK)
If you suspect a problem with the fuel pump, check that
the fuel pump actually runs; when it is on, you will hear
some noise if you listen to the fuel fill port with the fuel
fill cap removed. The fuel pump should run for
2 seconds when the ignition switch is first turned on. If
the fuel pump does not make noise, check as follows:
1. Turn the ignition switch OFF.
2. Remove the glove box (see page 20-67), then
remove PGM-FI main relay 2 (FUEL PUMP) (A).
3. Turn the ignition switch ON (II).
4. Measure voltage between PGM-FI main relay 2
(FUEL PUMP) 5P connector terminal No. 5 and
body ground.
Go to step 5.
Repair open in the wire between PGM-FI main
relay 1 (FI MAIN) and PGM-FI main relay 2 (FUEL
PUMP).
Wire side of female terminals
Is ther e batter y voltage?
05/06/27 17:41:08 61S6M040_110_0356
03
05
−
−
−
−
YES
NO
YES
NO
11-357
PGM-FI MAIN RELAY 2
(FUEL PUMP) 5P CONNECTOR
IGP1
(BLK/
YEL)
PGM-FI MAIN RELAY 2
(FUEL PUMP) 5P CONNECTOR
IMOFPR
(GRN/
YEL)
IMOFPR
(GRN/
YEL)
ECM/PCM CONNECTOR E (31P)
5. Measure voltage between PGM-FI main relay 2
(FUEL PUMP) 5P connector terminal No. 1 and
body ground.
Go to step 6.
Repair open in the wire between the under-
dash fuse/relay box and PGM-FI main relay 2 (FUEL
PUMP).
6. Turn the ignition switch OFF.
7. Jump the SCS line with the HDS.
8. Disconnect ECM/PCM connector E (31P).
9. Check for continuity between PGM-FI main relay 2
(FUEL PUMP) 5P connector terminal No. 3 and
ECM/PCM connector terminal E17.
Go to step 10.
Repair open in the wire between PGM-FI main
relay 2 (FUEL PUMP) and the ECM/PCM (E17).
(cont’d)
Wire side of female terminals
Wire side of
female terminals
Wire side of
female terminals
Is ther e batter y voltage?
Is ther e continuity?
05/06/27 17:41:08 61S6M040_110_0357
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