4E-51 ABS:
4 1) Measure the resistance between “B” (White) and ground
at the front wheel speed sensor coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
Normal value (“B” – Ground)
∞ Ω (Infinity)
Is the resistance between “B” and ground OK?
Inspect the wire
harness. (Faulty W/R
wire)
Faulty front wheel
speed sensor
5 1) Check for continuity between “12” (B/R) on the ABS
control unit coupler and “C” (B/R) on the front wheel
speed sensor coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test ( )
Normal value (“12” – “C”)
Continuity ( )
Is there continuity between “12” and “C”?
Go to Step 6. Inspect the wire
harness. (Faulty B/R
wire)
Step Action Yes No
Sensor side
“B”
(A)
I718H1450081-03
ABS control unit coupler (Harness end)
Harness side
12
18
10
13
24
16
89
24
25
21
3
“C”
(A)
(B)
I718H1450082-04
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