Tester
Tester's measuring point
selector
Red lead
Black lead
Relay 85
Relay 86
Resi s tance
Relay 30
Relay 87a
Relay 30
Relay 87
※
When measuring the resistance with a tester, it is
OK to switch the leads (red and black).
12
-36
ELECTRIC SYSTEM - ELECTRICAL COMPONENTS
UUVWAA1A
Result
Approx. 105 Ω
Continuity
No continuity
5.18 PREHEAT RELAY (4P)
The preheat relay is attached to the relay bracket
under the hood.
The preheat relay is used to activate the glow plugs.
RELAY TEST
T46WB63B
To perform the relay test, disconnect and remove the
relay from the wiring.
Check the resistance and continuity within the resis-
tance range (Ω) of a tester.
Numbers on the auxiliary relay terminals indicate cor-
responding coil and contact.
•
Capacity: 12 V, 70 A
UUVWA32A
Terminal diagram
T46WB64A
SUUV-W00 Apr. 2011