User manual MITSUBISHI CHASSIS ELECTRICAL SERVICE MANUAL

[. . . ] 54-1 CHASSIS ELECTRICAL CONTENTS BATTERY . 4 Fluid Level and Specific Gravity Check . 6 54109000310 IGNITION SWITCH AND IMMOBILIZER SYSTEM . 17 CONTINUED ON NEXT PAGE IGNITION SWITCH AND IMMOBILIZER SYSTEM . [. . . ] No Is the connector at the back of the radio connected properly?Yes Disconnect and check the connector at the rear of the radio. Is the ACC power (12 V) being supplied to the radio?Repair harness. 54-67 No No B-2 No sound from one speaker. Check to see if there is any sound when attached to another radio. No Remove the connector on the back of the radio and check the speaker harness for conductance. Yes Repair or replace radio. Yes It conducts electricity but is shorted out. Repair speaker harness. Yes Repair speaker harness and ensure proper connection of relay connectors. 54-68 CHASSIS ELECTRICAL - Radio and Tape Player B-3 There is noise but no reception for UKW/MW/LW or no sound from UKW/MW/LW. Is the check being conducted under special electrical field conditions?No Yes Example: In an underground garage or inside a building. Is proper performance obtained when the vehicle is moved?No Are the antenna plug and radio unit properly connected?Yes Does the problem disappear if connected to another radio?Yes No Yes Yes OK OK Reconnect Repair or replace radio. B-4 Insufficient sensitivity. Is the check being conducted under special electrical field conditions?No Yes Example: In an underground garage or inside a building. Is proper performance obtained when the vehicle is moved?No Is the problem limited to the reception of a specific radio station from a specific position?No Is the antenna plug properly connected to the unit?Yes Does the problem disappear when a different radio is connected?Yes No Yes Yes Yes OK OK Electrical field condition related Ensure proper connection. Repair or replace radio. CHASSIS ELECTRICAL - Radio and Tape Player B-5 Distortion on UKW/MW/LW. How much distortion is there?Constant Occasional Distortion in the vicinity of the radio station No Yes Yes Yes Excessive antenna input 54-69 Are the speaker cords in contact with the cone paper?No Remove the speakers and check for torn cone paper or foreign objects. No Check for deformation with speaker installed. No Repair or replace radio. Remove cords away from cone paper. Repair or replace speakers. Yes Install speaker securely. B-6 Too few automatic select stations. Is the check being conducted under special electrical field conditions?No Yes Example: In an underground garage or inside a building Is proper performance obtained when the vehicle is moved?No Is the antenna plug properly connected to the equipment? [. . . ] CHECK BY USING SIMPLE DIAGNOSIS MODE (1) Set the MUT-II to simple diagnosis mode, and then select the switch diagnosis mode. (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points. ) (2) In this condition, the following input switches can be checked. CHASSIS ELECTRICAL - Smart Wiring System (SWS) Input Signal Check Function Input signal ETACS Ignition switch (IG1) Ignition switch (ACC) Front door switch (driver's side) Door switches Key reminder switch Front door lock actuator (driver's side) Front door key switch (passenger's side) Back door <SPACE RUNNER> or tailgate <SPACE WAGON> key switch Hazard lamp switch Front fog lamp switch Back-up lamp switch <M/T> Inhibitor switch (reverse) <A/T> Keyless entry transmitter (LOCK and UNLOCK switches) Column switch assembly Tail lamp switch Headlamp switch Dimmer switch Passing switch Right-hand turn signal switch Left-hand turn signal switch Windshield mist wiper switch Windshield wiper and washer switches Windshield wiper INT switch Windshield wiper LO switch Windshield wiper HI switch Rear wiper INT switch Rear wiper and washer switches Headlamp washer switch Power window switches Multi center display Sunroof Any switch Function switch Any switch Turned from OFF to ON Shift lever moved to R position Selector lever moved to R position Buzzer/LED operation condition Turned from OFF to ON Turned from OFF to ACC 54-111 Driver's door opened from closed condition All doors closed to any door opened Ignition key removed from ignition key cylinder (from inserted position) Driver's door lock knob moved from lock position to unlock position or vice versa Passenger's door locked or unlocked using ignition key Back door <SPACE RUNNER> or tailgate <SPACE WAGON> locked or unlocked using ignition key Turned from OFF to ON LOCK or UNLOCK switch turned OFF to ON Lighting switch turned to tail lamp position from any other position Lighting switch turned to headlamp position from any other position Turned from OFF to ON 54-112 Code No. 11 12 13 21 CHASSIS ELECTRICAL - Smart Wiring System (SWS) DIAGNOSIS CODE CHART Diagnosis item Failure concerning the ETACS-ECU Failure concerning the column switch or improper connection with the ETACS-ECU Failure concerning the front-ECU Short circuit in communication line Reference page 54-112 54-112 54-113 54-113 DIAGNOSIS CODE INSPECTION PROCEDURES Code No. 11 Failure concerning the ETACS-ECU The ETACS-ECU monitors its own communication data, and sends a diagnosis code when an error takes place consecutive fifteen times in 0. 6 second. The diagnosis code will be erased when the ETACS-ECU determines that its own communication data is sent consecutive 15 times in 0. 6 second. [. . . ]