ABS Test Mode Code List (ABS Waning Indication)
Code No.
Diagnosis item [Terminal]
Lamp SAE
Test mode code decision
condition
Inspection area
Front RH speed sensor output
1. Open or short in
speed sensor
71
72
73
C1271
C1272
C1273
voltage abnormal [FR+, FR-]
Front LH speed sensor output
abnormal [FL+, FL-]
2. Open or short in
speed sensor wiring
harness
Drive
vehicle
at
Rear RH speed sensor output
abnormal [RR+, RR-]
0~10km/h slowly.
3. Speed
sensor
installation fault
Rear LH speed sensor output
abnormal [RL+, RL-]
4. Speeds sensor rotor
abnormal
74
C1274
Front RH speed sensor output
cycle abnormal [FR+, FR-]
Front LH speed sensor output
cycle abnormal [FL+, FL-]
Rear RH speed sensor output
cycle abnormal [RR+, RR-]
Rear LH speed sensor output
cycle abnormal [RL+, RL-]
75
76
77
78
C1275
C1276
C1277
C1278
1. Speed sensor rotor
damage.
Drive vehicle at more
than 45km/h for 1 second
or more
2. Foreign
objects
attached onto speed
sensor
Deceleration sensor abnormal Parts vehicle onto level 1. Open or short in
[GL1, GL2]
ground for 1 second
deceleration sensor.
2. Open or short in
deceleration sensor
wiring harness.
79
C1279
3. Deceleration sensor
stick.
4. Deceleration sensor
installation
abnormal.
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