Dtc P1501 / P1502: Electric Load Current Sensor Circuit Low / High - Suzuki Swift Sport 2004 Service & Repair Manual

DTC P1501 / P1502: Electric Load Current Sensor Circuit Low / High

System and Wiring Diagram
GRN
4
WHT
15 14 13 12 11
30 28 27 26
29
45 44 43 42 41
59
60 58 57 56
1. Electric load current sensor
2. ECM
Electric Load Current Sensor Description
Refer to "Generator Control System Description".
DTC Detecting Condition and Trouble Area
DTC detecting condition
P1501:
Electric load current is lower than specified value (electric load
current sensor voltage is higher than specified value).
(1 driving cycle detection logic but MIL does not light up)
P1502:
Electric load current is higher than specified value (electric load
current sensor voltage is lower than specified value).
(1 driving cycle detection logic but MIL does not light up)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool to DLC.
2) Turn ON ignition switch and clear DTC.
3) Make sure that all accessory switch is tuned OFF.
4) Start engine and warm it up to normal operating temperature (ECT approx. 90 – 95 °C, 193 – 203 °F).
5) Increase engine speed to 3000 rpm.
6) In this state, Turn ON following accessory switch.
• Head lights switch.
• Blower motor switch (max position).
• Rear defogger switch.
7) Decrease engine speed to idle.
8) Check DTC.
3
1
BLK/WHT
BLK/ORN
E23
10 9 8 7 6 5 4 3
25 24 23 22 21 20 19 18
40 39 38 37 36 35 34 33
55 54 53 52 51 50 49 48
Engine General Information and Diagnosis:
2 1 15 14 13 12 11
17 16 30 28 27 26
29
32 31 45 44 43 42 41
59
47 46 60 58 57 56
3. "IG COIL" fuse
4. Ignition switch
• Electric load current sensor and/or its circuit
• ECM
2
BLK/WHT
E23-29
C37-23
PNK/BLU
C37
10 9 8 7 6 5 4 3
25 24 23 22 21 20 19 18
40 39 38 37 36 35 34 33
55 54 53 52 51 50 49 48
Trouble area
1A-141
S7RS0B1104059
2 1
17 16
32 31
47 46
I5RS0C110014-01