Honda ACCORD HYBRID 2005 Service Manual page 480

Electronic Throttle Control 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 P2122: APP Sensor A (Throttle Position
Sensor D) Circuit Low Voltage
1. Turn the ignition switch ON (II).
2. Check APP SENSOR-A in the DATA LIST w i t h the
HDS.
Is there about 0.1 V or less?
Y E S — G o to step 3.
NO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
APP sensor A and the PCM. •
3. Turn the ignition switch OFF.
4. Disconnect the APP sensor 6P connector.
5. Turn the ignition switch ON (II).
6. A t the w i r e harness side, measure voltage between
APP sensor 6P connector terminals No. 5 and No. 6.
APP S E N S O R 6P C O N N E C T O R
1 2 3 4 5 6
VCC3
(YEL/GRN)
S G 3 (GRN)
Wire side of female t e r m i n a l s
Is thereabout 5 V?
Y E S — G o t o step 7.
N O — G o t o step 15.
7. Turn the ignition switch OFF.
8. A t the sensor side, measure resistance between
APP sensor 6P connector terminals No. 4 and No. 6
w i t h the throttle fully closed.
APP S E N S O R 6P C O N N E C T O R
2 3 4 5 6
APSA S G 3
Terminal side of male t e r m i n a l s
Is there about 0.35—0.45 kQ at room
temperature?
Y E S — G o t o step 9.
N O — G o t o step 16.
9. At the sensor side, measure resistance between
APP sensor 6P connector terminals No. 4 and No. 5
w i t h the throttle fully closed.
APP S E N S O R 6P C O N N E C T O R
1 2 3 4
5 6
A P S A
V C C 3
Terminal side of male t e r m i n a l s
Is there about 2.7- 3.3 kQ at room temperature?
Y E S - G o t o step 10.
NO — G o t o step 16.
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