DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.DTC REPRODUCTION PROCEDURE
With CONSULT
Is DTC "C1607" or "C1608" detected?
YES >> Proceed to diagnosis procedure. Refer to STC "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
With CONSULT
Is DTC "C1607" or "C1608" detected?
YES >> Replace EPS control unit. Refer to STC "Removal and Installation".
NO >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If any item are damaged, repair or replace malfunctioning component.

Description EPS control unit receives the vehicle speed signal from ABS actuator and electric unit (control unit) via CAN communication line. ...
Instrument panel
1. Headlight/turn signal switch/fog light
switch (if so equipped)
2. Driver's supplemental air bag (P. 1-39)
Horn
3. Meters and gauges. Warning and indicator lights
4. Wiper and washer switch
5. Vents
6. Rear window defroster switch
7. Front passenger air bag status light
8. Hazard warn ...
P1212 TCS communication line
Description
This CAN communication line is used to control the smooth engine operation
during the TCS operation. Pulse
signals are exchanged between ECM and "ABS actuator and electric unit (control
unit)".
Be sure to erase the malfunction information such as DTC not only for "ABS
actuat ...