TCM FB30-8 - Charge Rectification Diode

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2. ELECTRICAL PARTS AND PROCEDURES FOR CHECKING
2.2.16 CHARGE RECTIFICATION DIODE
The diode is used to rectify the current in the charge circuit.
Part number Model Applicable truck model
177P2-62401 PT200S8 All models
Checking procedure
Resistance range x 1 Ω (Zero adjustment
should be made.)
Measurement point Probe Normal value
–
+
Black
Red
60 ± 20
Ω
+
–
Black
Red
∞
+
U
Black
Red
∞
U
+
Black
Red
15 ± 10
Ω
+
V
Black
Red
∞
V
+
Black
Red
15 ± 10
Ω
+
W
Black
Red
∞
W
+
Black
Red
15 ± 10
Ω
–
U
Black
Red
15 ± 10
Ω
U
–
Black
Red
∞
–
V
Black
Red
15 ± 10
Ω
V
–
Black
Red
∞
–
W
Black
Red
15 ± 10
Ω
W
–
Black
Red
∞
* The symbols are given on the product surface.
Note: Whenever the charge rectification diode
is replaced with a new one, apply silicone
grease (KS-609) on the tting surface of a
new diode.