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DTC Diagnosis Procedure
1.CHECK TCM BATTERY POWER SUPPLY (BACK-UP) CIRCUIT
  1. The ignition switch is OFF.
  2. Disconnect TCM connector.
  3. Check voltage between TCM harness connector terminals and ground.
    TCMVoltage
    ConnectorTerminal
    F7545Ground10 – 16 V
    46
Is the inspection result normal?
Replace the TCM. Refer to Removal and Installation.
.
 
2.DETECT MALFUNCTIONING ITEMS
Check the following items:
  • Open or short circuit of harness between battery positive terminal and TCM connector terminals 45, and 46.
  • 10A fuse (No.101).
Is the inspection result normal?
INSPECTION END
Repair or replace malfunctioning parts.