Suzuki 2006 SX4, Service Manual

Page: 161 / 1478

Engine General Information and Diagnosis: 1A-117
DTC P2122 / P2123: Throttle / Pedal Position Sensor / Switch “D” Circuit Low / High
S6RW0C1104070
Wiring Diagram
3 Wire harness check
1) Disconnect connectors from electric throttle body
assembly and ECM with ignition switch turned OFF.
2) Check for proper terminal connection to electric throttle
body assembly connector and ECM.
3) If connection are OK, check that throttle actuator control
circuit is as follows.
• Wiring harness resistance of throttle actuator control
circuit (+) and (–) is less than 3
Ω
• Insulation resistance between throttle actuator control
circuit (+) and (–) and vehicle body ground is Infinity
• Insulation resistance between throttle actuator control
circuit (+) and (–) is infinity
• Circuit voltage of throttle actuator control circuit (+)
and (–) is 0 – 1 V with ignition switch turned ON
Are they in good condition?
Go to Step 4. Repair or replace
control circuit of throttle
actuator (+) and/or (–) is
open, short or high
resistance.
4 Electric throttle body assembly check
1) Check electric throttle body for operation and condition
referring to “Electric Throttle Body Assembly On-Vehicle
Inspection in Section 1C”.
Is it in good condition?
Substitute a known-
good ECM and recheck. Repair or replace
electric throttle body
assembly.
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
4
BRN
GRN
BLU
RED
YEL
WHT
E01-56
E01-55
E01-54
E01-51
E01-53
E01-52
1
5
2
3
A1
A2
A3
B1
B2
B3
I7RW01110083-02
A1: APP sensor (main) power supply circuit B2: APP sensor (sub) signal circuit 3. APP sensor (sub)
A2: APP sensor (main) signal circuit B3. APP sensor (sub) ground circuit 4. ECM
A3: APP sensor (main) ground circuit 1. APP sensor assembly 5. Ground of APP sensor for shield wire
B1: APP sensor (sub) power supply circuit 2. APP sensor (main)