S0607900C
Page 35
Transmission Error Codes (ZF)
MEASUREMENT OF RESISTANCE AT ACTUATOR/
SENSORS AND CABLE
ACTUATOR
Open circuit:R
12
≈ R
1G
≈ R
2G
≈ ∞
Short cut to ground:R
12
≈ R;R
1G
≈ 0, R
2G
≈ R or
R
1G
≈ R, R
2G
≈ 0(for S.C. to ground, G is
connected to vehicle ground)
Short cut to battery:R
12
≈ R;R
1G
≈ 0, R
2G
≈ R or
R
1G
≈ R, R
2G
≈ 0(for S.C. to battery, G is
connected to battery voltage.
CABLE
open circuit:
R
12
≈ R
1P
≈ R
1C
≈ R
2P
≈ R
2C
≈ ∞
short cut to ground:
R
12
≈ 0;R
1C
≈ R
2C
≈ 0,R
1P
≈ R
2P
≈ ∞
short cut to battery:
R
12
≈ 0,R
1C
≈ R
2C
≈ ∞,R
1P
≈ R
2P
≈ 0
R
2
1
G
HBOE640I
Figure 3
P (power supply)
1 2
TCU
Actuator /
Sensor
U
Bat
Gnd
C (chassis)
HBOE650I
Figure 4