Honda ACCORD HYBRID 2005 Service Manual page 462

Electronic Throttle Control System
D T C T r o u b l e s h o o t i n g
DTC P0122: TP Sensor A Circuit Low Voltage
1. Turn the ignition switch ON (II).
2. Clear the DTC w i t h the HDS.
3. Check TP SENSOR A in the DATA LIST w i t h the
HDS.
Is there about 0.3 V or less?
Y E S — G o t o step 4.
IMO—Intermittent failure, system is OK at this t i m e .
Check for poor connections or loose terminals at
the throttle body and the throttle actuator control
m o d u l e . •
4. Check for Temporary DTCs or DTCs w i t h the HDS.
Are DTC P0122 and P0222 indicated at the same
time?
YES—Check for, and repair any poor connections
or loose terminals at the throttle body, the throttle
actuator control m o d u l e , and the PCM, then go to
step 17. If the connections and terminals are OK, go
to step 9.
N O — G o t o step 5.
5. Turn the ignition switch OFF.
6. Disconnect the throttle body 6P connector.
7. Disconnect the throttle actuator control module 16P
connector.
8. Check for continuity between throttle body 6P
connector terminal No. 1 and body g r o u n d .
THROTTLE BODY 6P C O N N E C T O R
1 2 3 4
5 6
T P S A (RED/BLK)
Wire side of f e m a l e t e r m i n a l s
Is there continuity?
YES—Repair short in the w i r e between the throttle
body and the throttle actuator control module
(TPSA line), then go to step 17.
NO—Substitute a known-good throttle actuator
control module (see page 11-265), then go to step
17 and recheck. If DTC P0122 is not indicated,
replace the original throttle actuator control
module (see page 11-265), then go to step 17. If
DTC P0122 is indicated, g o t o step 15.
11-222