RM36D0EC _51 Engine / Hybrid System _083048 HYBRID / BATTERY CONTROL _0709511 HYBRID CONTROL SYSTEM C

HYBRID / BATTERY CONTROL  HYBRID CONTROL SYSTEM  P1C8679  Transmission (Input) Mechanical Linkage Failure  


DESCRIPTION

Refer to the description for DTC P1C7779.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>P1C7779

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note
P1C8679 Transmission (Input) Mechanical Linkage Failure Hybrid vehicle transaxle malfunction (input system lock):
When the vehicle is stopped, an engine cranking signal is sent but the generator (MG1) does not rotate.
The generator (MG1) or the engine does not rotate, or the planetary gear unit is malfunctioning.
(1 trip detection logic)
·

Hybrid vehicle transaxle assembly

·

Transmission input damper assembly

·

Engine


Does not come on Master Warning:
Comes on
SAE Code:
P3147

Related Data List
DTC No. Data List
P1C8679
·

Generator Revolution

·

Motor Revolution

·

Engine Speed



CONFIRMATION DRIVING PATTERN

HINT:

After repair has been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>UTILITY


1.

Connect the GTS to the DLC3.

2.

Turn the power switch on (IG) and turn the GTS on.

3.

Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

4.

Turn the power switch off and wait for 2 minutes or more.

5.

Turn the power switch on (IG) and turn the GTS on.

6.

With the vehicle stopped and the shift lever in P, turn the power switch on (READY) and gradually depress the accelerator pedal so that the engine starts.

7.

Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.

8.

Check the DTC judgment result.

HINT:
·

If the judgment result shows NORMAL, the system is normal.

·

If the judgment result shows ABNORMAL, the system has a malfunction.

·

If the judgment result shows INCOMPLETE, perform driving pattern again.




CAUTION / NOTICE / HINT

HINT:
·

Engine lock or a mechanical malfunction has occurred inside the hybrid vehicle transaxle assembly.

·

If this DTC is output, the engine or gears in the transaxle may have seized. Before performing this inspection, check the engine oil, hybrid transaxle fluid, coolant (for Engine) and coolant (for Inverter) levels.



PROCEDURE

1.CHECK DTC OUTPUT (HYBRID CONTROL)
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

Powertrain > Hybrid Control > Trouble Codes
50001 397

d.

Check for DTCs.

Result:
Result Proceed to
P1C8679 only is output, or DTCs except the ones in the table below are also output. A
Any of the following DTCs including pending DTCs are also output. B


Malfunction Content Relevant DTC
Sensor and actuator circuit malfunction P1C8779 Generator Mechanical Linkage Failure
P1C8879 Planetary Gear Mechanical Linkage Failure

HINT:

P1C8679 may be output as a result of the malfunction indicated by the DTCs above.



e.

Turn the power switch off.



A

2.CHECK CRANKSHAFT PULLEY REVOLUTION (P POSITION)

B

2.CHECK CRANKSHAFT PULLEY REVOLUTION (P POSITION)

OK

3.CLEAR DTC

NG

7.CHECK CRANKSHAFT PULLEY REVOLUTION (N POSITION)