Accord SE Sedan L4-2254cc 2.3L SOHC (VTEC) MFI (2002)
Vehicle Speed Sensor: Testing and Inspection
Manual Transmission
Vehicle Speed Signal Circuit Troubleshooting
Special Tools Required:
Test harness 07LAJ-PT3020A
Before testing, inspect the No.6 (15 A) fuse in the driver's under-dash fuse/relay box.
1. Disconnect the 3P connector from the VSS (vehicle speed sensor) (A).
2. Connect the test harness only to the engine wire harness.
3. Connect the RED test harness clip (B) to the positive probe of an ohmmeter. Cover the white (C) and green (D) test harness with protective tape
(E).
4. Check for continuity between the RED test harness clip and body ground.
Is there continuity?
YES - Go to step 5.
NO - Repair open in the BLK wire between the VSS and G101.
5. Connect the WHT test harness clip (C) to the positive probe of a voltmeter, and connect the RED test harness clip (B) to the negative probe.
6. Turn the ignition switch ON (II).
Is there battery voltage?
YES - Go to step 7.
NO - Repair open in the BLK/YEL wire between the VSS and the driver's under-dash fuse/relay box.
7. Disconnect the WHT test harness clip (C).