Toyota Celica 2005 Repair Manual page 2485

From back side:
Tester connection
B10 − Ground
B14 − Ground
B15 − Ground
A13 − Ground
2005 CELICA (RM1131U)
AIR CONDITIONING
(b)
Connector "A"
Condition
A/C switch ON & Blower motor: operate
A/C switch OFF
Mode selector: DEF.
Mode Selector: Except DEF.
A/C switch ON
A/C switch OFF
Blower motor: Operate
Blower motor: No operate
If circuit is as specified, try replacing the amplifier with a new
one. If the circuit is not as specified, inspect the circuits con-
nected to other parts.
− AIR CONDITIONING AMPLIFIER
Connect the connector to combination mater and inspect
wire harness side from the back side, as shown in the
chart below.
Test condition:
Run engine at idle speed
S
Set on manifold gauge set
S
Connector "B"
Below 1.0 V
Battery positive voltage
Below 1.0 V
Battery positive voltage
Below 1.0 V
Battery positive voltage
Below 2.0 V
Battery positive voltage
2484
AC−61
Specified condition
I14046