Acura 2002 RSX Service Manual page 1219

Vehicle Speed Signal Circuit Troubleshooting
Special Tools Required:
Test Harness 07LAJ-PT3020A
M/T:
Before testing, inspect the No. 4 (10A) and No.
'10 (7.5A)
fuses in the under-dash fuse/relay box.
1. Disconnect the 3P connector from the vehicle
speed sensor (VSS) (A).
4 .
Connect the test harness only to the engine wlre
harness.
Connect the RED test harness clip (B) to the positive
prove of an ohmmeter. Cover the white (C) and
green (D) test harness with protective tape (E).
Check for continuity between the RED test harness
c l i p a n d b o d y g r o u n d .
ls there continuity?
YES Go to step 5.
NO Repair open in the BLK wire between the VSS
a n d G ' 1 0 1 . 1
7 .
8 .
Connect the WHT test harness clip (B) to the
positive probe of a voltmeter, and connect the RED
test harness clip (C) to the negative probe
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 ) .
Is there battetY voltage?
YES Go to step 7.
NO Repair open in the BLfiEL wire between the
VSS and the under-dash fuse/relay box.l
Disconnect the WHT test harness clip (B).
Connect the GRN test harness clip (D) to the
positive probe of a voltmeter.
ls there 5 V or battetY voltage?
YES Go to step 9.
N O R e p a i r s h o r t i n t h e B L U M H T L W H T / G R N I
w i r e b e t w e e n t h e V S S a n d t h e E C M . I
( c o n t ' d )
22-67