Acura 3.5 RL Manual page 438

Fuel Supply System
PGM-FI Main Relay (cont'd)
(From page 11-147)
Check for an open in the wire
(IGSW line):
Measure voltage between the
PGM-FI main relay 4P connector
terminal No. 4 and body ground.
Is there battery voltage?
YES
Check for an open or short in the
wire (STS line):
1. Turn the ignition switch to the
START (III) position (trans-
mission in or
2. Measure the voltage between
the PGM-FI main relay 8P con-
nector terminal No. 3 and
body ground.
Is there battery voltage?
YES
Check for an open in the wire
(FLR1 line):
1. Turn the ignition switch OFF.
2. Disconnect the PCM connec-
tor A (26 P) from the PCM.
3. Check for continuity between
the PGM-FI main relay 8P
connector terminal No. 2 and
PCM connector terminal A4.
Is there continuity?
YES
(To page 11-149)
NO
position).
NO
NO Repair open in the wire between
the PCM (A4) and the PGM-FI
main relay.
Repair open or short in the
wire between the PGM-FI
main relay and the No. 25 IG
COIL (30 A) fuse.
Replace the No. 25 IG COIL
(30 A) fuse in the under-dash
fuse/relay box.
Repair open or short in the
wire between the PGM-FI
main relay and the No. 14
STARTER SIGNAL (7.5 A) fuse.
Replace the No. 14 STARTER
SIGNAL (7.5 A) fuse in the
under-dash fuse box.
PGM-FI MAIN RELAY 4P CONNECTOR (C432)
Wire side of female terminals
PGM-FI MAIN RELAY 8P CONNECTOR (C433)
Wire side of female terminals
PCM CONNECTOR A (26P)
Wire side of female terminals
IGSW
(BLK/YEL)