DTC Diagnosis Procedure
1.
CHECK TCM BATTERY POWER SUPPLY (BACK-UP) CIRCUIT
The ignition switch is OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
TCM
−
Voltage
Connector
Terminal
F75
45
Ground
10 – 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.
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Replace the TCM. Refer to Removal and Installation
.
. INSPECTION ENDRepair or replace malfunctioning parts.