ABS: 4E-50
2 1) Disconnect the front wheel speed sensor coupler.
2) Measure the resistance between “A” (Black) 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 (“A” – Ground)
∞ Ω (Infinity)
Is the resistance between “A” and ground OK?
Inspect the wire
harness. (Faulty B/R
wire)
Faulty front wheel
speed sensor
3 1) Measure the resistance between “3” (W/R) and ground
at the ABS control unit coupler.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Resistance (Ω)
Normal value (“3” – Ground)
∞ Ω (Infinity)
Is the resistance between “3” and ground OK?
Go to Step 5. Go to Step 4.
Step Action Yes No
Sensor side
“A”
(A)
I718H1450079-03
12
18
10 13
24
16
89
24
25
21
3
ABS control unit coupler
(Harness end)
(A)
(B)
I718H1450080-04
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