Toyota Celica 2005 Repair Manual page 837

DI−638
7 Check voltage of air pump motor power source.
Wire Harness Side:
Air Pump Assembly Connector
Front View
OK
8 Check for open in harness and connector between air pump motor and body
ground.
OK
9 Check air pump assy (See page EC−12).
OK
10 Check for open and short in harness and connector between ECM and air pump
relay (See page IN−30).
OK
DIAGNOSTICS − ENGINE (2ZZ−GE)
(a) Disconnect the air pump motor connector.
(b) Measure voltage between terminal 2 of the air pump as-
sembly connector and body ground.
Standard: 9 to 14 V
NG Repair air pump power source circuit.
A21278
NG Repair or replace harness or connector.
NG Replace air pump assy (See page EC−14).
NG Repair or replace harness or connector.
836