EU-123
Date Revised: March 2021 (PSV52522-S)
© 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved
EU Mo
dels
(AAT sensor failure)
1. Turn the main switch OFF, and then restart the generator.
2. With the engine running at normal operating temperature, check to see if an error code is displayed.
If the same error code occurs, replace the GCU and recheck.
(BARO sensor failure)
1. Turn the main switch OFF, and then restart the generator.
2. With the engine running at normal operating temperature, check to see if an error code is displayed.
If the same error code occurs, replace the GCU and recheck.
(O2 sensor failure)
18
31
Bl
Bl
Bl
3
2
1
GCU
O2 SENSOR
O2 SENSOR
9
Bl
Bl
Abnormal
Replace or repair the wire harness.
Bl
Black
Br
Brown
Y
Yellow
O
Orange
Bu Blue
Lb
Light blue
G
Green
Lg
Light green
R
Red
P
Pink
W
White
Gr
Gray
9
4 3 2 1
6
7
8
5
10
4
9
8
7
6
3
2
1
10
5
17
14 13
16 15
32
33
30
31
27 26
29 28
11
12
9
10
6 5
8 7
24
25
22
23
18
21 20
3
4
1
3
18
Bl
GCU
Bl
9
1
Normal
Go to the next page.
Check the wire harness between the O2 sensor and GCU for an open or
short circuit.