A19288
A21410
Reference (Bank 1 Sensor 1 System Drawing)
Heated Oxygen Sensor
EFI Relay
Heater
Sensor
OX1A
HT1A
Duty
Control
ECM
From
Battery
EFI Fuse
From
Terminal 6 of
Ignition Switch
Ground Ground
DI
−
120
−
DIAGNOSTICS
ENGINE (1ZZ
−
FE)
2005 CELICA (RM1131U)
4
Check EFI relay.
PREPARATION:
Remove the EFI relay from the engine room J/B.
CHECK:
Inspect the EFI relay.
OK:
Tester Connection
Specified Condition
1
−
2
Continuity
3
−
5
No continuity
Continuity
(Apply battery voltage to terminals 1 and 2)
NG
Replace EFI relay.
OK
5
Check for open and short in harness and connector between ECM and oxygen
sensor (bank 1 sensor 1) (See page IN
−
30).
NG
Repair or replace harness or connector.
OK
318
Summary of Contents for Celica 2005
Page 72: ...PP0K9 10 PREPARATION IGNITION PP 21 2005 CELICA RM1131U EQUIPMENT Spark plug cleaner 71 ...
Page 219: ...A21571 DI 20 DIAGNOSTICS ENGINE 1ZZ FE 2005 CELICA RM1131U 218 ...
Page 260: ... DIAGNOSTICS ENGINE 1ZZ FE DI 61 2005 CELICA RM1131U MEMO 259 ...
Page 261: ...DI 62 DIAGNOSTICS ENGINE 1ZZ FE 2005 CELICA RM1131U MEMO 260 ...
Page 400: ... DIAGNOSTICS ENGINE 1ZZ FE DI 201 2005 CELICA RM1131U MEMO 399 ...
Page 512: ...A21571 DIAGNOSTICS ENGINE 2ZZ GE DI 313 2005 CELICA RM1131U 511 ...
Page 699: ...DI 500 DIAGNOSTICS ENGINE 2ZZ GE 2005 CELICA RM1131U MEMO 698 ...
Page 879: ...A21571 DI 680 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E 2005 CELICA RM1131U 878 ...
Page 880: ...A21572 A22718 A22768 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E DI 681 2005 CELICA RM1131U 879 ...
Page 881: ...A21573 DI 682 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E 2005 CELICA RM1131U 880 ...
Page 882: ...A21575 DIAGNOSTICS AUTOMATIC TRANSAXLE U240E DI 683 2005 CELICA RM1131U 881 ...
Page 970: ...A21571 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E DI 769 2005 CELICA RM1131U 969 ...
Page 971: ...A21572 A22718 A22768 DI 770 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E 2005 CELICA RM1131U 970 ...
Page 972: ...A21573 DIAGNOSTICS AUTOMATIC TRANSAXLE U341E DI 771 2005 CELICA RM1131U 971 ...
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