Toyota Tundra 2005 Service - Repair - Maintenance page 3451

AC-86
Connector "A"
Tester connection
A10 - Ground
A18 - Ground
B8 - Ground
B7 - Ground
B12 - Ground
AIR CONDITIONING -
(b) Connect the connectors to the A/C control assembly and
inspect the connectors on the wire harness side from the
back side, as shown in the chart below.
Test condition:
Condition
Constant
Magnetic clutch is engaged
Magnetic clutch is not engaged
Air inlet switch "FRESH"
Air inlet switch "RECIRC"
Air inlet switch "RECIRC"
Air inlet switch "FRESH"
A/C switch ON
A/C switch OFF
If the result is as specified, replace the amplifier with a new one.
If the result is not as specified, inspect the circuits connected
to other parts.
AIR CONDITIONING CONTROL ASSEMBLY (Center
Cluster Integration)
z
Run the engine at idle speed
z
Set the manifold gauge set
Continuity
Battery positive voltage
Below 1.0 V
Battery positive voltage
Below 1.0 V
Battery positive voltage
Below 1.0 V
9.0 V
Below 1.0 V
Author :
Connector "B"
I27862
Specified condition
Date :
5113