Power Assisted Steering System: 6C-39
2 1) Connect the combination meter coupler and speed
sensor coupler.
2) Measure the voltage between the Bl/B wire “A” and
ground.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage ( )
Vehicle speed signal voltage
5.0 V
Is voltage OK?
Go to step 3. Bl/B wire shorted to
ground.
3 1) Remove the engine side cover. Refer to “Rear Side
Exterior Parts Removal and Installation: in Section
9D”.
2) Inspect the speed sensor. Refer to “Speed Sensor
Inspection: in Section 9C”.
Is speed sensor OK?
Replace the EPS
control unit. Refer to
“EPS Control Unit
Removal and
Installation (Page 6C-
48)”.
Replace the speed
sensor. Refer to “Speed
Sensor Removal and
Installation: in Section
9C”.
Step Action Yes No
“A”
(A)
I931H1630049-04
I931H1630090-01