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6-2-66 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
DTC P0102 Mass Air Flow Circuit Low Input
Wiring Diagram
2
WHT/BLU
BLK/YEL
60A 20A
80A
E23
7
6
5
4
3
17
16
15
14
13
12
11
27
26
25
24
23
22
21
34
33
32
31
1. MAF and IAT sensor
2. Ignition switch
DTC Detecting Condition and Trouble Area
DTC Detecting Condition
DTC will be set when all of the following conditions are
detected for 0.5 seconds continuously.
• Engine is running
• Voltage of MAF sensor output is less than the specified
value for the specified time continuously.
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it for 10 sec.
4) Check DTC and pending DTC.
BLU/BLK
3
BLK/YEL
BLK/RED
BLK/YEL
1
BLK/RED
WHT
RED
LT GRN
BRN/WHT
E22
2
1
7
6
5
4
3
10
9
8
19
18
17
16
15
14
13
12
11
20
19
18
27
26
25
24
23
30
29
28
35
34
33
32
31
3. Main relay
4. ECM
4
BLK/WHT
E21-28
BLU/BLK
E23-15
BLK/RED
E21-6
BLK/RED
E21-5
E22-14
E22-32
E22-17
E22-28
E21
2
1
6
5
4
3
2
10
9
8
16
15
14
13
12
11
10
9
8
22
21
20
27
26
25
24
23
22
21
20
19
30
29
28
35
34
33
32
31
30
• Open or short in MAF sensor circuit
• MAF sensor
• ECM
E22-1
BLK
E23-2
BLK/YEL
E23-1
BLK/YEL
12V
5V
1
7
18
17
29
28
Trouble Area
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