Toyota TVIP V4 Troubleshooting Manual page 19

INSPECTION 7/9
3-1 CHECK VEHICLE CIRCUIT (REMOTE ENGINE STARTER ECU AND ACCESSORY
GATEWAY ECU INPUT/OUTPUT CHECK)
Measure the voltage and resistance of the affected terminals (listed on page 11) on the wire harness for Remote
Engine Starter ECU and Accessory Gateway ECU. Then, compare measured value to specifications. (See RES
ECU and Accessory Gateway ECU pin layout and terminal information from pages 4 to 6 for specifications.)
OK
3-2 CHECK VEHICLE CIRCUIT (REMOTE ENGINE STARTER ECU AND ACCESSORY
GATEWAY ECU INPUT/OUTPUT CHECK)
Measure the voltage and resistance of the other or all terminals on the wire harness for Remote Engine Starter
ECU and Accessory gateway ECU. Then, compare measured value to specifications. (See RES ECU and
Accessory Gateway ECU pin layout and terminal information from pages 4 to 6 for specifications.)
OK
PLEASE CALL (800) 237-5413.
3-3 CHECK VEHICLE CIRCUIT (WIRE HARNESS CONTINUITY CHECK)
Check for continuity of the wire harness. (See Installation Instruction and Electrical Wiring Diagram.)
OK
PLEASE VERIFY THE WIRE HARNESS CONNECTIONS
If they are OK:
CHANGE REMOTE ENGINE STARTER ECU
AND ACCESSORY GATEWAY ECU
* Please fax "RES Replacement Authorization Request Form" and "Customer Problem Analysis Check"
to (800) 438-5410 to receive an authorization number before you change the parts.
Remote Engine Starter Troubleshooting Guide Page 19
NO GO TO STEP 3-3
NO
GO TO STEP 3-3
CHANGE REMOTE ENGINE STARTER
NO
WIRE HARNESS