Toyota 2004 CELICA, Electric Troubleshooting Manual

Page: 85 / 284

2004 CELICA (EWD538U)
86
ENGINE CONTROL (2ZZ-GE)
E8 (E), E9 (F), E10 (G), E11 (H), E12 (I) ENGINE CONTROL MODULE
BATT-E1 : Always 9.0- 14.0 volts
+B-E1 : 9.0- 14.0 volts (Ignition SW at ON position)
VC-E2 : 4.5- 5.5 volts (Ignition SW at ON position)
VTA-E2 : 0.3- 0.8 volts (Ignition SW ON and throttle valve fully closed)
3.2- 4.9 volts (Ignition SW ON and throttle valve open)
THA-E2 : 0.5- 3.4 volts (Ignition SW ON and intake air temp. 20
°
C, 68
°
F)
THW-E2 : 0.2- 1.0 volts (Ignition SW ON and coolant temp. 80
°
C, 176
°
F)
STA-E1 : 6.0- 14.0 volts (Engine cranking)
W-E1 : 9.0- 14.0 volts (No trouble and engine running)
STP-E1 : 9.0- 14.0 volts (Brake pedal depress)
IGT1, IGT2, IGT3, IGT4-E1 : 0.8- 1.2 volts (Engine cranking or idling)
#10, #20, #30, #40-E01, E02 : 9.0- 14.0 volts (Ignition SW at ON position)
RESISTANCE OF ECU WIRING CONNECTORS
(Disconnect wiring connector)
VTA-E2 : 3.3- 10.0 k
Ω
(Throttle valve fully open)
0.2- 0.8 k
Ω
(Throttle valve fully closed)
VC-E2 : 3.0- 7.0 k
Ω
THA-E2 : 2.0- 3.0 k
Ω
(Intake air temp. 20
°
C, 68
°
F)
THW-E2 : 0.2- 0.4 k
Ω
(Coolant temp. 80
°
C, 176
°
F)
C/OPN RELAY
5-3 : Closed with the starter cranking and engine running
EFI RELAY
3-5 : Closed with the ignition SW at ON or ST position
E6 ENGINE COOLANT TEMP. SENSOR
1-2 : 10.0- 20.0 k
Ω
(-20
°
C, -4
°
F)
4.0- 7.0 k
Ω
(0
°
C, 32
°
F)
2.0- 3.0 k
Ω
(20
°
C, 68
°
F)
0.9- 1.3 k
Ω
(40
°
C, 104
°
F)
0.4- 0.7 k
Ω
(60
°
C, 140
°
F)
0.2- 0.4 k
Ω
(80
°
C, 176
°
F)
: PARTS LOCATION
Code See Page Code See Page Code See Page
A17 36 E10 G 34 (2ZZ-GE) J6 37
A18 34 (2ZZ-GE) E11 H 34 (2ZZ-GE) J14 38
A19 34 (2ZZ-GE) E12 I 34 (2ZZ-GE) K1 35 (2ZZ-GE)
A22 34 (2ZZ-GE) F17 38 M1 35 (2ZZ-GE)
B6 36 G2 34 (2ZZ-GE) N1 35 (2ZZ-GE)
C1 34 (2ZZ-GE) H8 37 O2 35 (2ZZ-GE)
C2 34 (2ZZ-GE) H9 37 P1 35 (2ZZ-GE)
C3 34 (2ZZ-GE) I2 35 (2ZZ-GE) P2 35 (2ZZ-GE)
C4 34 (2ZZ-GE) I3 35 (2ZZ-GE) S8 37
C6 36 I4 35 (2ZZ-GE) T1 35 (2ZZ-GE)
C11 36 I5 35 (2ZZ-GE) V1 35 (2ZZ-GE)
C12 A 36 I6 35 (2ZZ-GE) V3 35 (2ZZ-GE)
C13 B 36 I7 35 (2ZZ-GE) V4 35 (2ZZ-GE)
D1 36 I8 35 (2ZZ-GE) V5 35 (2ZZ-GE)
E6 34 (2ZZ-GE) I9 35 (2ZZ-GE) V6 39
E7 34 (2ZZ-GE) I10 37 V7 39
E8 E 34 (2ZZ-GE) J1 35 (2ZZ-GE) V8 35 (2ZZ-GE)
E9 F 34 (2ZZ-GE) J3 37
: RELAY BLOCKS
Code See Page Relay Blocks (Relay Block Location)
1 26 Engine Room R/B No.1 (Engine Compartment Left)
SERVICE HINTS