DTC Description
DTC DETECTION LOGIC
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
| P0778 | PC SOLENOID B (Pressure Control Solenoid “B” Electrical) | When all of the following conditions are satisfied and this state is
maintained
for 0.48 seconds:
|
POSSIBLE CAUSE
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.CHECK DTC DETECTION
Is “P0778” detected? YES >> Go to TM-141, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace damaged parts.
2.CHECK CIRCUIT BETWEEN CVT UNIT AND GROUND
Check continuity between CVT unit harness connector terminal and ground.

Is the inspection result normal? YES >> INSPECTION END
NO >> There is malfunction of secondary pressure solenoid valve. Replace transaxle assembly. Refer to TM-220, "Removal and Installation".
P0776 pressure control solenoid B
P0779 pressure control solenoid BAdditional service when replacing ECM
Description
When replacing ECM, the following procedure must be performed. (For details,
refer to EC-136, "Work Procedure".)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform t ...
Symptom diagnosis
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
Perform the data monitor of CONSULT to check for any malfunctioning
item.
Check the malfunction combinations.
Identify the malfunctioning part from the agreed combination and repair
or replace the part.
NORMAL OPERA ...
U1111 lost communication (chassis control module)
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U1111
LOST COMM (CHASSIS CONT MDUL)
(Lost Communication With Chassis Control
Module)
When the ignition switch is ON, TCM is unable to receive the CA ...