Dtc P0410: Air Pump Circuit Malfunction; Dtc Troubleshooting - Honda S2000 Service Manual

DTC Troubleshooting
DTC P0410: Air Pump Circuit Malfunction
1 . R e s e t t h e E C I M ( s e e p a g e 1 1 - 4 ) .
2 . M a k e s u r e t h e e n g i n e c o o l a n t t e m p e r a t u r e i s o v e r
32 'F (0 'C) and below 158 'F (60 "C) with the scan
t o o l .
3 . S t a r t t h e e n g i n e . D u r i n g a i r p u m p o p e r a t i o n , h o l d
the engine at idle speed with no load (in neutral) for
at least 10 seconds.
4. Check for a Temporary DTC with the scan tool.
ls Tempotaty DTC P0410 indicated?
YES Go to step 5.
NO Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the air control valve vacuum control solenoid valve
a n d a t t h e E C M . I
5 . C h e c k t h e a i r p u m p .
Does the air pump operate?
YES Go to step 36.
NO Go to step 6.
6. Turn the ignition switch OFF.
7 . C h e c k t h e A I R P U M P ( 6 0 A ) f u s e i n t h e a u x i l l a r y
under-hood fuse box.
ls the luse OK?
YES Go to step 8.
NO Repair short in the wire between AIR PUMP
( 6 0 A ) f u s e a n d t h e a i r p u m p . T h e n r e p l a c e t h e A I R
P U M P ( 6 0 A ) f u s e . I
8. Remove the left-front inner fender (see page 20-
1 0 5 ) .
9 . D i s c o n n e c t t h e a i r p u m p e l e c t r i c a l c u r r e n t s e n s o r
2 P c o n n e c t o r .
1 0 . T u r n t h e i g n i t i o n s w i t c h o N ( l l ) .
1 1. At the left engine compartment wire harness side,
measure voltage between air pump electrical
current sensol 2P connector terminal No. 1 and
body ground.
AIR PUMP ELECTRICAL CURRENT SENSOR
2P CONNECTOR
Wire side of female terminals
ls there battery voltage?
YES- Go to step 12.
NO Repair open in the wire between the air pump
electrical current sensor and the AIR PUMP (60 A)
f u s e i n t h e a u x i l l a r y u n d e r - h o o d f u s e b o x . l
Turn the ignition switch OFF.
At the air pump electrical current sensor side, check
for continuity between air pump electrical current
s e n s o r 2 P c o n n e c t o r t e r m i n a l s N o . 1 a n d N o . 2 .
AIR PUMP ELECTRICAL
CURRENT SENSOR
2P CONNECTOR
(WHT/RED}
T e r m i n a l s i d e o f m a l e t e r m i n a l s
ls therc continuity?
YES Go to step 14.
NO Replace the air pump electrical current
s e n s o r . l
(cont'd)
1 1 - 1 4 9