Honda ACCORD HYBRID 2005 Service Manual page 402

PGM-FI System
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P2238: Rear A/F Sensor (Bank 1,
Sensor 1) IP Line Low Voltage
DTC P2241: Front A/F Sensor (Bank 2,
Sensor 1) IP Line Low Voltage
NOTE: Information marked w i t h an asterisk (*) applies
to the front bank (Bank 2).
1. Turn the ignition switch ON (II).
2. Clear the DTC w i t h the HDS.
3. Start the engine. Hold the engine speed at
3,000 r p m w i t h o u t load (in Park or neutral) until the
radiator fan comes on, then let it idle 2 minutes.
4. Check for Temporary DTCs or DTCs w i t h the HDS.
Is DTC P2238 and/or P224V indicated?
Y E S — G o t o step 5.
NO—Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the A/F sensor (Sensor 1) and the PCM. •
5. Turn the ignition switch OFF.
6. J u m p the SCS line with the HDS.
7. Disconnect the A/F sensor (Sensor 1) 8P connector.
8. Disconnect PCM connector B (24P).
9. Check for continuity between PCM connector
terminals B14 (B22)* and body g r o u n d .
PCM CONNECTOR B (24P)
IPB1 (GRN)
1
A
3 \ / \ 5
6 7
8 9
/
11 12 13 14 15
A
17 18 19 20 21 22 23 24
IPB2 (GRN/RED)*
Wire side of female terminals
Is there continuity?
YES—Repair short in the wire between the PCM
(B14 (B22)*) and the A/F sensor (Sensor 1), then go
to step 14.
N O — G o t o step 10.
10. Reconnect PCM connector B (24P).
11. Start the engine. Hold the engine speed at
3,000 r p m w i t h o u t load (in Park or neutral) until the
radiator fan comes on, then let it idle 2 minutes.
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