Honda Accord 2008 Manual page 489

07/11/02 09:09:13 61TA0000_110_0170
PGM-FI System
DTC Troubleshooting (cont'd)
DTC P16BC: Alternator FR Terminal Circuit/
IGP Circuit Low Voltage
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Check for poor connections or loose terminals at
the alternator 4P connector.
Are the connections and terminals OK ?
YES − Go to step 2.
−
NO Repair the connector or terminals, then go to
step 18.
2. Check the alternator mounting surface for
corrosion.
Is the mounting surf ace corroded?
YES − Remove the alternator (see page 4-34). Clean
all mounting surfaces, reinstall the alternator, then
go to step 18.
−
NO Go to step 3.
3. Turn the ignition switch to ON (II).
4. Clear the DTC with the HDS.
5. Start the engine.
6. Check under these conditions:
• A/C on
• Temperature control at maximum cool
• Blower fan at maximum speed
• Rear window defogger on
• Headlights on high beam
7. Hold the engine speed 2,000 rpm (A/T in P or N,
M/T in neutral) for 1 minute.
11-170
8. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P16BC indicated?
YES − Go to step 9.
NO − Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the alternator.
9. Turn the ignition switch to LOCK (0).
10. Disconnect the alternator 4P connector.
11. Turn the ignition switch to ON (II).
12. Measure voltage between alternator 4P connector
terminal No. 1 and body ground.
ALTERNATOR 4P CONNECTOR
IG1 (BLK/YEL)
Wire side of female terminals
Is there battery voltage?
YES − Go to step 13.
NO − Repair open in the wire between the
alternator (IG1 line) and the No. 7 ACG (15 A) fuse
in the under-dash fuse/relay box, then go to step
18.
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