Circuit Description
The PCM receives messages from the ABS controller to activate the traction control
system. When messages are not transmitted properly between the ABS controller and
PCM, a DTC P1602 will set.
Conditions for Setting the DTC
Important: The ABS controller circuit is continuously
checked when the ignition is ON.
DTC P1602 will set if:
| • | No message is received from the ABS controller |
| • | A certain number of incorrect messages have been sent to the PCM. |
Diagnostic Aids
| • | Check the tightness of the female terminal grip with a spare male terminal. |
| • | If DTC P1602 is set, traction control will be disabled. |
