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DTC Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
  1. The ignition switch is OFF.
  2. Disconnect TCM connector.
  3. Check voltage between TCM harness connector terminals and ground.
    +−Voltage
    TCM
    ConnectorTerminal
    F7545Ground10 – 16 V
    46
Is the inspection result normal?
.
.
 
2.CHECK TCM POWER CIRCUIT (PART 2)
Check voltage between TCM harness connector terminals and ground.
+−ConditionVoltage
TCM
ConnectorTerminal
F7547GroundIgnition switch ON10 – 16 V
Ignition switch OFFApprox. 0 V
48Ignition switch ON10 – 16 V
Ignition switch OFFApprox. 0 V
Is the inspection result normal?
.
.
 
3.CHECK TCM GROUND CIRCUIT
Check continuity between TCM harness connector terminals and ground.
TCM—Continuity
ConnectorTerminal
F7541GroundExisted
42
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Repair or replace malfunctioning parts.
 
4.DETECT MALFUNCTION ITEMS (PART 1)
Check the following items:
  • Open or short circuit in harness between battery positive terminal and TCM harness connector terminal 45, and 46.
  • 10A fuse (No.101)
Is the inspection result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Repair or replace malfunctioning parts.
 
5.DETECT MALFUNCTIONING ITEMS (PART 2)
Check the following items:
  • Open or short circuit in harness between ignition switch and IPDM E/R.
  • Open or short circuit in harness between IPDM E/R connector terminal 70 and TCM harness connector terminal 47, and 48.
  • 10A fuse (No.73, located in the IPDM E/R).
  • IPDM E/R
Is the check result normal?
Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident.
Repair or replace malfunctioning parts.