Suzuki 2006 SX4, Service Manual

Page: 115 / 1478

Engine General Information and Diagnosis: 1A-71
DTC P0122 / P0123: Throttle / Pedal Position Sensor / Switch “A” Circuit Low / High
S6RW0C1104023
Wiring Diagram
4 ECT sensor check
1) Check ECT sensor for performance referring to “Engine
Coolant Temperature (ECT) Sensor Inspection in
Section 1C”.
Is it in good condition?
Substitute a known-
good ECM and recheck. Replace ECT sensor.
Step Action Yes No
E01 C01
3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53 59 60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38 44 45 43 41 33
1 12 13
23
8 3 4
18 19
5 6 7 10 11
17 20
47 46 49 50 51
21 22
52
16 25
9
24
14
29
55 57 54 53 59 60 58
2
26 27 28
15
30
56 48
32 31 34 35 36 37 40 42 39 38 44 45 43 41 33
1 12 13
23
8
12V
5V
BLK/RED
BLK/YEL
1
5
BLK/YEL
BLK/YEL
BRN/WHT
E01-1
E01-60
C01-15
C01-29
C01-48
C01-58
BRN
GRN
GRY
BLU
YEL
E01-16
E01-50
E01-17
C01-45
C01-44
2
3
4
6
7
8
10 11 9
13
12
E01-29 BLK/WHT
C01-30
RED
GRN
WHT
BLK
BLK
C01-53
C01-54
C01-40
C01-41
C01-33
BLK/RED BLK/RED
BLK/RED
GRN
WHT
BLK
BLK
BLK
BLK/ORN
BLK/ORN
A1
C1
C2
B4
B2
B3
B1
A2
A4
A3
I7RW01110050-03
A1: TP sensor power supply circuit C1: Control circuit of throttle actuator (+) 7. Main relay
A2: TP sensor (main) signal circuit C2: Control circuit of throttle actuator (–) 8. Fuse Box No.2
A3: TP sensor (sub) signal circuit 1. Electric throttle body assembly 9. “THR MOT” fuse
A4: TP sensor ground circuit 2. Throttle actuator 10. “FI” fuse
B1: Power supply circuit of throttle actuator control relay (switch side) 3. TP sensor (main) 11. “IGN” fuse
B2: Control circuit of throttle actuator control relay (switch side) 4. TP sensor (sub) 12. “IG COIL” fuse
B3: Power supply circuit of throttle actuator control relay (coil side) 5. Throttle actuator control relay 13. Ignition switch
B4: Control circuit of throttle actuator control relay (coil side) 6. ECM