Dtc P0101: Mass Or Volume Air Flow Circuit Range / Performance - Suzuki Swift Sport 2004 Service & Repair Manual

1A-58 Engine General Information and Diagnosis:

DTC P0101: Mass or Volume Air Flow Circuit Range / Performance

Wiring Diagram
WHT
BLK/YEL
5 ORN
15 14 13 12 11
30 28 27 26
29
45 44 43 42 41
59
60 58 57 56
1. MAF and IAT sensor
2. Ignition switch
DTC Detecting Condition and Trouble Area
DTC detecting condition
• MAF volume is greater than 20 g/sec even if engine
revolution is less than 900 rpm and intake manifold
pressure is less than 40 kPa (5.80 psi) with TP less than
1.5°.
• MAF volume is lower than 10 g/sec even if engine
revolution is more than 2500 rpm and intake manifold
pressure is more than 60 kPa (8.70 psi) with TP more than
12°.
(2 driving cycle detection logic)
2
GRN
3
BLK/YEL
BLK/RED
BLK/YEL
1
BLK/RED
GRY/BLU
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
3. Main relay
4. ECM
BLK/WHT E23-29
BRN/WHT
E23-60
BLK/RED E23-1
BLK/RED
E23-16
C37-26
GRN/BLK
GRY
C37-27
BLK/YEL C37-25
ORN C37-55
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
• Air intake system (clog or leakage)
• MAF sensor circuit
• MAF sensor
• TP sensor and/or its circuit
• MAP sensor and/or its circuit
• ECM
4
C37-58 BLK/ORN
C37-15
BLK
BLK
C37-30
E23-31 BLK
12V 5V
5V
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
5. To other sensors
Trouble area
S7RS0B1104017
2 1
17 16
32 31
47 46
I6RS0C110014-01