Dtc P1501 / P1502: Electric Load Current Sensor Circuit Low / High - Suzuki GRAND VITARA Owner's Manual

1A-167 Engine General Information and Diagnosis:

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

System and Wiring Diagram
15 14 13 12
30 29 28 27
45 44 43
60 59 58
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 sensor circuit voltage is lower than specified
range.
P1502:
Electric load current sensor circuit voltage is higher than specified
range.
NOTE
When DTC P0107 and P0532 are indicated together, it is possible that "GRY/RED" wire circuit open.
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 and pending DTC.
1
GRY/RED
GRY/GRN
GRN
4
E23
11 10 9 8 7 6 5 4
26 25 24 23 22 21 20 19
42 41 40 39 38 37 36 35 34 33
57 56 55 54 53 52 51 50 49 48
3. To other sensors (MAP, CO adjust resister (if
equipped), A/C refrigerant pressure (if
equipped)
4. To HO2S-2
3
C37-14
GRY/RED
C37-9
BLU
GRY/GRN C37-57
GRY/GRN
5
3 2 1 15 14 13 12 11
18 17 16 30 29 28 27 26
32 31 45 44 43 42 41
47 46 60 59 58 57 56
Electric load current sensor and/or its circuit
ECM
2
5V
C37
10 9 8 7 6 5 4 3 2
25 24 23 22 21 20 19 18 17
40 39 38 37 36 35 34 33 32 31
55 54 53 52 51 50 49 48 47 46
5. To other sensors (IAT, ECT, MAP, CO adjust
resister (if equipped), A/C refrigerant pressure
(if equipped)
Trouble area
S5JB0A1104093
1
16
I5JB0A110065-01