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Typical Malfunction Thresholds

One of the following conditions is met Conditions A, B, C or D
A. All of the following conditions are met Conditions 1 and 2
1. EGR1 output terminal voltage level Low
2. Either of the following conditions is met Condition (a) or (b)
(a) Step motor Driving
(b) Command to step motor phase 1 Off
B. All of the following conditions are met Conditions 1 and 2
1. EGR2 output terminal voltage level Low
2. Either of the following conditions is met Condition (a) or (b)
(a) Step motor Driving
(b) Command to step motor phase 2 Off
C. All of the following conditions are met Conditions 1 and 2
1. EGR3 output terminal voltage level Low
2. Either of the following conditions is met Condition (a) or (b)
(a) Step motor Driving
(b) Command to step motor phase 3 Off
D. All of the following conditions are met Conditions 1 and 2
1. EGR4 output terminal voltage level Low
2. Either of the following conditions is met Condition (a) or (b)
(a) Step motor Driving
(b) Command to step motor phase 4 Off
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