Mazda 2002 6 - Dtc C1955, C1956

ON-BOARD DIAGNOSTIC (DYNAMIC STABILITY CONTROL)
P–93
P
DTC C1955, C1956
A6E697367650W19
Caution
• When attaching the tester lead to the DSC HU/CM connector the SST (49 G066 004) must be used.
DTC C1955, C1956 Steering angle sensor
DETECTION
CONDITION
• C1955:
— Output voltages from steering angle sensors 1 and 2 are not at 1 V or less, or not at 3.25 V or
more.
• C1956:
— Sensor 1 voltage remains unchanged, sensor 2 voltage changes.
— Sensor 2 voltage remains unchanged, sensor 1 voltage changes.
— When steering wheel is turned in specified direction, neutral position is detected even when rotated
at 18 degrees or more.j
POSSIBLE
CAUSE
• Open circuit in harness between steering angle sensor terminal A and ignition switch
• Open, short to power, or short to ground circuit in harness between DSC HU/CM terminal X and
steering angle sensor terminal B
• Open, short to power, or short to ground circuit in harness between DSC HU/CM terminal W and
steering angle sensor terminal C
• Open, short to power, or short to ground circuit in harness between DSC HU/CM terminal U and
steering angle sensor terminal D
• Open circuit in harness between DSC HU/CM terminal Rand steering angle sensor terminal F
• Malfunction of steering angle sensor