Honda 2004 Odyssey, Service Manual

Page: 419 / 2459

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０１
＊０１
＊０２
Ｓ０Ｘ４ＡＺ６Ｋ７７１０００９０１２２ＦＡＡＴ００
DTC P0122 ’99-00, ’02-04 Models:
YES
NO
YES
NO
YES
NO
YES
NO
11-110
PGM-FI System
DTC Troubleshooting (cont’d)
TP SENSOR 3P CONNECTOR
SG2 (GRN/BLK)
VCC2 (YEL/BLU)
SG2 (GRN/YEL)*
TP SENSOR 3P CONNECTOR
SG2
TPS
TP SENSOR 3P CONNECTOR
VCC2
TPS
TP Sensor
Circuit Low Voltage
NOTE: Information marked with an asterisk ( ) applies
to ’02-04 models.
1. Start the engine. Hold the engine at 3,000 rpm with
no load (in Park or neutral) until the radiator fan
comes on, then turn the ignition switch OFF.
2. Turn the ignition switch ON (II).
3. Check the throttle position with the scan tool or the
HDS.
Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the TP sensor and the PCM.
Go to step 4.
4. Turn the ignition switch OFF.
5. Disconnect the TP sensor 3P connector.
6. Turn the ignition switch ON (II).
7. Measure voltage between TP sensor 3P connector
terminals No. 1 and No. 3.
Go to step 8.
Go to step 15.
8. Turn the ignition switch OFF.
9. At the sensor side, measure resistance between TP
sensor 3P connector terminals No. 1 and No. 2 with
the throttle fully closed.
Go to step 10.
10. Measure resistance between TP sensor 3P
connector terminals No. 2 and No. 3 with the
throttle fully closed.
Go to step 11.
11. Disconnect PCM connector C (31P).
Wire side of female terminals
Terminal side of male terminals
Terminal side of male terminals
Is ther e about 10 % or 0.5 V when the thr ottle is
f ully closed and about 90 % or 4.5 V when the
thr ottle is f ully opened?
Is ther e about 5 V ?
Is ther e about 0.5 0.9 k ?
Is ther e about 4.5 k ?
03/07/29 09:21:13 61S0X050_110_0110
Replace the throttle body.
Replace the throttle body.