Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Acura 3.5RL 1996-2004 Approved srm RL9604S11147A

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Main Menu Table of Contents

Troubleshooting Flowchart

Engine will not start.
Inspection of PGM-FI main
relay and relay harness.

Check for an open in the wire (PG1 PGM-FI MAIN RELAY 8P CONNECTOR (C433)
line):
1. Turn the ignition switch OFF.
2. Disconnect the PGM-FI main
relay 4P connector and 8P
connector.
3. Check for continuity between
the PGM-FI main relay 8P
connector terminal No. 7 and
body ground.

Wire side of female terminals

NO Repair open in the wire between
Is there continuity? the PGM-FI main relay and G101
(located at middle of engine).
YES

PGM-FI MAIN RELAY 4P CONNECTOR (C432)

Check for an open or short in the
wire (BAT line):
Measure voltage between the
PGM-FI main relay 4P connector
terminal No. 3 and body ground.

Wire side of female terminals
Repair open or short in the
wire between the PGM-FI
NO main relay and the No. 6 ECU
Is there battery voltage? (PCM) (20 A) fuse.
Replace the No. 6 ECU (PCM)
YES (20 A) fuse in the under-dash
fuse/relay box.

Check for an open or short in the
wire (IGSW line):
1. Turn the ignition switch ON (II).
2. Measure voltage between the
PGM-FI main relay 8P connec-
tor terminal No. 5 and body
ground.

Repair open or short in the
wire between the PGM-FI
NO main relay and the No. 22
Is there battery voltage? FUEL PUMP (20 A) fuse.
Replace the No. 22 FUEL PUMP
YES (20 A) fuse in the under-dash
fuse box.

(To page 11-148)
Main Menu Table of Contents

Fuel Supply System
PGM-FI Main Relay (cont'd)
(From page 11-147)

PGM-FI MAIN RELAY 4P CONNECTOR (C432)
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. IGSW
(BLK/YEL)

Repair open or short in the
wire between the PGM-FI Wire side of female terminals
NO main relay and the No. 25 IG
Is there battery voltage? COIL (30 A) fuse.
Replace the No. 25 IG COIL
YES (30 A) fuse in the under-dash
fuse/relay box.

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 position). PGM-FI MAIN RELAY 8P CONNECTOR (C433)
2. Measure the voltage between
the PGM-FI main relay 8P con-
nector terminal No. 3 and
body ground.

Repair open or short in the
wire between the PGM-FI
NO main relay and the No. 14 Wire side of female terminals
Is there battery voltage? STARTER SIGNAL (7.5 A) fuse.
Replace the No. 14 STARTER
YES SIGNAL (7.5 A) fuse in the
under-dash fuse box.

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.

PCM CONNECTOR A (26P)

NO Repair open in the wire between
Is there continuity? the PCM (A4) and the PGM-FI
main relay.
YES Wire side of female terminals

(To page 11-149)
Main Menu Table of Contents

(From page 11-148)

Check for an open in the wires PCM CONNECTORS
(IGP1, IGP2 lines):
1. Reconnect the PCM connector
A (26P).
2. Reconnect the PGM-FI main
relay 4P and 8P connectors.
3. Turn the ignition switch ON (II).
4. Measure voltage between
PCM connector terminals
A13, B1, and A12.

Wire side of female terminals

Repair open in the wire
NO between the PCM (A13, B1)
Is there battery voltage? and the PGM-FI main relay.
Replace the PGM-FI main
YES relay.

Check for an open in the PCM:
1. Turn the ignition switch OFF.
2. Measure voltage between
PCM connector terminals A4
and A12 when the ignition
switch is first turned on for 2
seconds.

Substitute a known-good PCM
NO and recheck (see page 11-42 for
Is there 1.0V or less? immobilizer information). If pre-
scribed voltage is now available,
YES replace the original PCM.

Check the PGM-FI main relay
(see page 11-146).

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