Vehicle Speed Signal Circuit Troubleshooting (M/T) - Honda 2002 Accord Manual

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• BODY •
Vehicle Speed Signal Circuit Troubleshooting (M/T)
Special Tools Required:
Test harness 07LAJ-PT3020A
Before testing, inspect t h e No. 6 (15A) fuse in the driver's
under-dash fuse/relay box.
1. Disconnect the 3P connector f r o m the VSS (vehicle
speed sensor) (A).
0 7 L A J - P T 3 0 2 0 A
2. Connect the test harness only to the engine w i r e
harness.
3. Connect the RED test harness clip (B) t o the positive
probe of an o h m m e t e r . Cover the white (C) and
green (D) test harness w i t h protective tape (E).
4. Check f o r continuity between the RED test harness
clip a n d body g r o u n d .
Is there continuity?
Y E S — G o t o step 5.
NO—Repair open in the BLK wire between the VSS
and G101.B
5. Connect the W H T test harness clip (C) t o the
positive probe of a voltmeter, and connect the RED
test harness clip (B) t o the negative probe.
0 7 L A J - P T 3 0 2 0 A
6. Turn the ignition switch ON (II).
Is there battery voltage?
Y E S - G o t o step 7.
NO —Repair open in the BLK/YEL w i r e between the
VSS and the driver's under-dash fuse/relay b o x . B
7. Disconnect t h e WHT test harness clip (C).
8. Connect the GRN test harness clip (D) t o the
positive probe of a voltmeter.
0 7 L A J - P T 3 0 2 0 A
Is there 5 V or more?
Y E S - G o t o step 9.
N O - R e p a i r short in the BLU/WHT w i r e between
the VSS and the ECM, cruise control unit, or t h e
driver's multiplex control unit.B
(cont'd)
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