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. ...
Preparation
Special Service Tools
The actual shapes of KentMoore tools may differ from those of special
service tools illustrated here.
Tool number
(KentMoore No.)
Tool name
Description
KV10111100
(J37228)
Seal cutter
Removing oil pan (lower and upper) etc.
...
P0977 Shift solenoid B
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0977
Shift Solenoid B Control Circuit
High
The following diagnosis conditions
are met, and the TCM low
clutch solenoid valve current
monitor reading is 200 ...