Engine Compartment Cooling Fan - Toyota Land Cruiser 1988 Repair Manual

COOLING SYSTEM- Engine Compartment Cooling Fan C0-13
ENGINE COMPARTMENT COOLING FAN
ENGINE COMPARTMENT COOLING FAN CIRCUIT
Fisible
Link
1.25B
Fisible
Ignition Switch
Link AM1
IG1
0.5G
Fuse
GAUGE
7.5A
Battery
~
~
'A 'A
--
G-7-2
Fuse
4
DOME 7.5A
Cooling Fan
Cooling
Motor Relay
Fan
Relay
7
1
Ignition
Fan Manifold
Relay
Motor Temperature
Sensor
2
ENGINE 10A
3
INSPECTION OF ENGINE
COMPARTMENT COOLING FAN
COMPONENTS
Cooling Fan Relay
INSPECT COOLING FAN RELAY CIRCUIT
{a) Remove the driver's cowl side trim.
F12430
(b) Disconnect the relay connector and inspect the
connector on wire harness side as shown in the
chart below.
Check for Between terminals
Condition
Specified value
Continuity 1 - Body ground Always
Continuity
Voltage 2 - Body ground
Ignition switch ON
Battery voltage
Continuity 3 - Body ground Always
Continuity
Voltage 4 - Body ground
Always
Battery voltage
Voltage 7 - Body ground Fan motor does not operate Battery voltage