Toyota Celica 2005 Repair Manual page 857

DI−658
INSPECTION PROCEDURE
Hand−held tester:
1 Connect the hand−held tester and check operation of fuel pump (See page
DI−295).
PREPARATION:
(a) Connect the hand−held tester to the DLC3.
(b) Turn the ignition switch ON and push the hand−held tester main switch ON.
(c) Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / FUEL PUMP / SPD.
CHECK:
Check if operating sounds can be heard while operating the relay with the hand−held tester.
OK:
Operating sounds can be heard from the relay.
NG
2 Check circuit opening relay (Marking: C/OPN) (See page SF−57).
OK
3 Check voltage between terminal FC of ECM and body ground.
A19520
NG
2005 CELICA (RM1131U)
DIAGNOSTICS −
OK
NG
PREPARATION:
(a) Remove the ECM cover.
FC (+)
(b) Turn the ignition switch ON.
CHECK:
Measure voltage between terminal FC of the ECM and body
ground.
OK:
Voltage 9 to 14 V
A19627
OK
856
ENGINE (2ZZ−GE)
Go to step 5.
Replace circuit opening relay.
Replace ECM (See page SF−78).