Remote Engine Starter Troubleshooting Guide Page 2 TABLE OF CONTENTS DESCRIPTION PAGE PRE-CHECK RES ECU PIN LAYOUT AND TERMINALS ACCESSORY GATEWAY ECU PIN LAYOUT AND TERMINALS HOW TO PROCEED WITH TROUBLESHOOTING CUSTOMER PROBLEM ANALYSIS CHECK PROBLEM SYMPTOMS TABLE DIAGNOSTIC OPERATION 10-11 Diagnosis Mode Reset Conditions DIAGNOSTIC CODE BY SCAN TOOL...
Remote Engine Starter Troubleshooting Guide Page 3 PRE-CHECK REMOTE ENGINE STARTER CHARACTERISTICS (a) The operation distance varies according to how customers hold the transmitter or where it is used. (b) Strong external radio waves or other frequency noise may interfere with the Remote Engine Starter’s operation distance.
Remote Engine Starter Troubleshooting Guide Page 4 RES ECU PIN LAYOUT <Connector> Part Number: 90980-12258 Part Number: 90980-11361 Color: White Color: White 20 19 18 17 16 15 14 13 12 11 MALE FRONT VIEW MALE FRONT VIEW Terminal Content Signal Terminal Content...
Page 5
Remote Engine Starter Troubleshooting Guide Page 5 RES ECU TERMINALS Remote Engine Starter ECU Input/Output Specifications Signal Symbol Condition ECU+B 12V (TYP) ECU GND 0 V AM1 *1 Input Dropping voltage: Less than 0.2V AM2 *1 Input IG1 *1 Output IG2 *1 Output ACC *1...
Remote Engine Starter Troubleshooting Guide Page 6 ACCESSORY GATEWAY ECU PIN LAYOUT <Connector> Terminal No. Content Signal Part Number: 90980-10798 Color: Dark gray MPX Signal for Accessory MPXY N.C. MPX Signal for Vehicle MALE FRONT VIEW ACCESSORY GATEWAY ECU TERMINALS Accessory gateway ECU Input/Output Specifications Signal Symbol...
Remote Engine Starter Troubleshooting Guide Page 7 HOW TO PROCEED WITH TROUBLESHOOTING HINT Use these procedures to troubleshoot the Remote Engine Starter. The hand-held tester should be used in Step 4. VEHICLE BROUGHT IN FOR SERVICE NEXT CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK NEXT PROBLEM SYMPTOMS TABLE NEXT...
Remote Engine Starter Troubleshooting Guide Page 8 CUSTOMER PROBLEM ANALYSIS CHECK REMOTE ENGINE STARTER SYSTEM Check Sheet Today’s date:_____________ __ Customer’s Name R.O. No. Problem Conditions Verified Unable to verify Date Problem First Occurred /(D) / (Y) Where did the problem occur? Home Work Other...
Remote Engine Starter Troubleshooting Guide Page 10 DIAGNOSTIC OPERATION ENGINE STARTER DIAGNOSIS NOTE: Turn the engine off before performing any diagnostic function. The Diagnostic Mode can help determine why the engine stops/fails. To set the Diagnostic Mode, you must locate and connect the Diagnostic Connectors (RDIG). To do so, follow the steps below: (1) Remove the passenger side step cover.
Remote Engine Starter Troubleshooting Guide Page 11 Diagnostic Operation Connect the diagnostic connector: < Open GND (Connect) > IG OFF Wait for more than 3 seconds Press the Brake pedal: < OFF ON (Press) > Hazard Lights Flashing DIAGNOSTIC FACTOR IDENTIFICATION The Diagnostic Mode indicates the causes of engine stop or failure to start as listed below.
Remote Engine Starter Troubleshooting Guide Page 12 DIAGNOSTIC MODE EXIT CONDITIONS You may exit the Diagnostic Mode by doing either of the following: 1: Disconnect the diagnostic connectors. 2: Wait 10 minutes from the time the diagnostic connectors were connected. After completing the repair, the diagnostic connectors should be disconnected and re-secured prior to reassembly of the trim covers.
Remote Engine Starter Troubleshooting Guide Page 13 INSPECTION 1/9 ENGINE DOES NOT START BY REMOTE. INSPECTION PROCEDURE (a) Ignition must be “OFF” when starting this procedure. CHECK REMOTE KEYLESS ENTRY OPERATION (a) Press the LOCK button. GO TO VEHICLE’S REPAIR MANUAL (b) Confirm the doors are locked.
Remote Engine Starter Troubleshooting Guide Page 14 INSPECTION 2/9 CHECK REMOTE ENGINE STARTER DIAGNOSIS (a) Please check the diagnostic code by scan tool. (See “Diagnostic Code by Scan Tool” on page 12). If [B2334] or [B2333] is indicated, please call Fujitsu Ten Technical Support at (800) 237-5413. (b) Connect the diagnostic connectors to enter the Diagnostic Mode.
Page 15
Remote Engine Starter Troubleshooting Guide Page 15 INSPECTION 3/9 RETRY REGISTRATION OF IMMOBILIZER ID CODE See Remote Engine Starter installation instructions posted on TIS for the registration method. CHANGE REMOTE ENGINE STARTER ECU AND ACCESSORY GATEWAY RETRY REMOTE ENGINE START PLEASE CALL Fujitsu Ten Technical Support at (800) 237-5413 * Please fax “RES Replacement Authorization Request Form”...
Remote Engine Starter Troubleshooting Guide Page 16 INSPECTION 4/9 ENGINE DOES NOT STOP BY REMOTE. INSPECTION PROCEDURE (a) Ignition must be “OFF” when starting this procedure. CHECK REMOTE KEYLESS ENTRY OPERATION a) Press the UNLOCK button. (b) Confirm the doors are unlocked. GO TO VEHICLE’S REPAIR MANUAL AND CHECK REMOTE KEYLESS ENTRY OPERATION CHECK REMOTE ENGINE STOP OPERATION...
Page 17
Remote Engine Starter Troubleshooting Guide Page 17 INSPECTION 5/9 CHECK VEHICLE CIRCUIT (WIRE HARNESS CONTINUITY CHECK) Check for continuity of the wire harness. (See Installation Instruction and Electrical Wiring Diagram.) CHANGE REMOTE ENGINE STARTER WIRE HARNESS PLEASE VERIFY THE WIRE HARNESS CONNECTIONS If they are OK: CHANGE REMOTE ENGINE STARTER ECU AND ACCESSORY GATEWAY ECU...
Remote Engine Starter Troubleshooting Guide Page 18 INSPECTION 6/9 ENGINE STOPS UNEXPECTEDLY INSPECTION PROCEDURE CHECK THE REMOTE ENGINE STARTER TOTAL OPERATION TIME (a) Ask the customer the operation time and how the customer operates the Remote Engine Starter. (b) Remote start engine and let it run for 10 minutes. HINT: EXPLAIN HOW ENGINE STARTER WORKS TO CUSTOMER: Any vehicles started with the Remote Engine Starter can idle for a total 20 minutes.
Page 19
Remote Engine Starter Troubleshooting Guide Page 19 INSPECTION 7/9 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.
Remote Engine Starter Troubleshooting Guide Page 20 INSPECTION 8/9 FAILED REGISTRATION OF IMMOBILIZER ID CODE INSPECTION PROCEDURE CONFIRM THE PROCEDURE OF REGISTRATION (a) See the installation instructions posted on TIS for the ID code registration process. (b) For any assistance with the registration process, call Fujitsu Ten Technical Support at (800) 237-5413. NEXT RETRY REGISTRATION OF IMMOBILIZER ID CODE (a) VEHICLES WITH SMART ENTRY...
Page 21
Remote Engine Starter Troubleshooting Guide Page 21 INSPECTION 9/9 CHECK VEHICLE CIRCUIT (WIRE HARNESS CONTINUITY CHECK) Check for continuity of the wire harness. (See Installation Instruction and Electrical Wiring Diagram.) CHANGE REMOTE ENGINE STARTER WIRE HARNESS PLEASE VERIFY THE WIRE HARNESS CONNECTIONS If they are OK: CHANGE REMOTE ENGINE STARTER ECU AND ACCESSORY GATEWAY ECU...