Acura 3.5 RL Manual page 1089

(From page 23-86)
Test the GRN/BLU wire:
1. Turn the ignition switch OFF.
2. Disconnect the test harness.
3. Disconnect the PCM 22P con-
nector.
4. Check for continuity between
the PCM 22P connector No. 22
terminal and VSS 3P connec-
tor No. 1.
Is there continuity?
YES
Test the VSS:
1. Turn the ignition switch OFF.
2. Raise the front of the vehicle,
and support it with safety
stands.
3. Put the vehicle in neutral with
the ignition switch ON (II).
4. Slowly rotate one wheel with
the other wheel blocked.
Does voltage pulse from 0 to
approx. 5 V or more?
YES
Speedometer Test:
1. Disconnect the 22P connector
"A" from the gauge assembly.
2. Touch a probe to the BLU/
WHT wire, and connect it to
body ground through a volt-
meter.
3. Slowly rotate one wheel with
the other wheel blocked.
Does the meter indicate pulsing
voltage?
YES
Replace the speedometer.
NO
Repair open in the GRN/BLU
wire between the VSS and PCM.
NO
Replace the VSS.
Repair open in the BLU/WHT
NO
wire between the VSS and the
speedometer.
PCM CONNECTOR D (22P)
Wire side of
female terminals
(GRN/BLU)
VSS 3P CONNECTOR
GAUGE ASSEMBLY 22P CONNECTOR "A"
(GRN/BLK)
Wire side of
female terminals
Wire side of
female terminals
(BLU/WHT)