CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR
DTC DETECTING CONDITION:
Detected when two consecutive driving cycles with fault occur.
TROUBLE SYMPTOM:
TCM RAM malfunction
STEP | CHECK | YES | NO |
1.CHECK DTC.
1) Perform the Clear Memory Mode using the Subaru Select Monitor. Clear Memory Mode">
2) Read the DTC.
Is DTC P0604 displayed?
Replace the TCM. Transmission Control Module (TCM)">
Current condition is normal. Check for interference from noise, etc.
1. OUTLINE OF DIAGNOSIS
• Detect the malfunction in RAM area of the TCM.
• Judge as NG if an attempt to write to RAM area failed.
2. EXECUTION CONDITION
Secondary Parameters | Execution condition |
12 V battery system voltage | ≥ 10 V |
3. DIAGNOSTIC METHOD
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Malfunction Criteria | Threshold Value |
Writing-check (RAM) NOTE: |
This check is carried out about the RAM only used for CAN communication.
Error
Time Needed for Diagnosis: Immediately
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
Inspection
CLUTCH SYSTEM > Clutch SwitchINSPECTION1. CLUTCH START SWITCH1. Perform the following inspections. If the clutch start switch does not operate normally, adjust the switch, and check it again. Clutch Switch > ADJUSTMENT">• Make sure that engine does not start with clutch pedal no ...
Inspection
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > General DescriptionINSPECTION1. BATTERYCheck the battery. Battery > INSPECTION">2. TRANSMISSION GROUNDMake sure that the ground terminal bolt is tightened securely.Tightening torque:14 N·m (1.4 kgf-m, 10.3 ft-lb)3. OPERATION OF ...
Clock
To adjust the time shown by the clock,
press the "+" button or "−" button. If you
press the "+" button, the indicated time will
change in one-minute increments. If you
press the "−" button, the indicated time will
change in one-minute decrements. If you
keep the button pressed, ...