Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)

Is the inspection result normal? YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM POWER CIRCUIT (PART 2)
Check voltage between TCM harness connector terminals and ground.

Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 5.
3.CHECK TCM GROUND CIRCUIT
Check continuity between TCM harness connector terminals and ground.

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
4.DETECT MALFUNCTION ITEMS (PART 1)
Check the following items:
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
5.CHECK CIRCUIT BETWEEN IPDM E/R AND TCM

Is the check result normal? YES >> GO TO 6.
NO >> Repair or replace malfunctioning parts.
6.DETECT MALFUNCTIONING ITEMS (PART 2)
Check the following items:
Is the check result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Repair or replace malfunctioning parts.
P2815 select solenoid
Overdrive control switchMeter system
Wiring diagram
...
Inside mirror
Wiring Diagram - With Homelink Universal Transceiver
Wiring Diagram - Without Homelink Universal Transceiver
...
C1716, C1717, C1718, C1719 transmitter (pressure data)
DTC Logic
NOTE:
The Signal Tech II Tool [- (J-50190)] can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTC ...