Honda 2004 Odyssey, Service Manual

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DTC P0137 ’01 Model:
YES
NO
YES
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11-124
PGM-FI System
DTC Troubleshooting (cont’d)
SECONDARY HO2S
(SENSOR 2) 4P CONNECTOR
SHO2S (WHT/RED)
Secondary HO2S
(Sensor 2) Circuit Low Voltage
1. Reset the PCM (see page 11-4).
2. Start the engine. Hold the engine at 3,000 rpm with
no load (in Park or neutral) until the radiator fan
comes on.
3. Check the secondary HO2S (Sensor 2) output
voltage at 3,000 rpm with the scan tool or the HDS.
Go to step 4.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the secondary HO2S (Sensor 2) and the PCM.
4. Turn the ignition switch OFF.
5. Disconnect the secondary HO2S (Sensor 2) 4P
connector.
6. Turn the ignition switch ON (II).
7. Check the secondary HO2S (Sensor 2) output
voltage with the scan tool or the HDS.
Go to step 8.
Replace the secondary HO2S (Sensor 2).
8. Turn the ignition switch OFF.
9. Disconnect PCM connector E (31P).
10. Check for continuity between secondary HO2S
(Sensor 2) 4P connector terminal No. 2 and body
ground.
Repair short in the wire between the PCM
(E18) and the secondary HO2S (Sensor 2).
Substitute a known-good PCM and recheck
(see page 11-5). If the symptom/indication goes
away, replace the original PCM.
Terminal side of male terminals
Does the voltage stay at 0.3 V or less?
Does the voltage stay at 0.3 V or less?
Is ther e continuity?
03/07/29 09:21:19 61S0X050_110_0124