2004 MITSUBISHI MONTERO Service and Repair Manual

31-1 GROUP 31 WHEEL AND TIRE CONTENTS GENERAL DESCRIPTION. . . . . . . . . 31-2 TIRE PRESSURE MONITORING SYSTEM (TPMS) SERVICE PRECAUTIONS . . 31-8 WHEEL AND TIRE DIAGNOSIS . . . . 31-10 WHEEL AND TIRE DIAGNOSIS. . . . . . . . . 31-10 WHEEL BALANCE ACCURACY . . . . . . . . 31-11 TIRE PRESSURE MONITORING SYSTEM (TPMS) DIAGNOSIS . . . . . 31-14 INTRODUCTION TO DIAGNOSIS . . . . . . . 31-14 TPMS TROUBLESHOOTING STRATEGY. 31-14 TPMS DIAGNOSTIC FUNCTION . . . . . . . . 31-15 TPMS WARNING LIGHT CHECK. . . . . . . . 31-18 DIAGNOSTIC TROUBLE CODE CHART . . 31-19 TPMS DIAGNOSTIC TROUBLE CODE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . 31-20 TPMS SYMPTOM CHART . . . . . . . . . . . . . 31-48 TPMS SYMPTOM PROCEDURES. . . . . . . 31-49 TPMS SERVICE DATA LIST . . . . . . . . . . . 31-84 TPMS ACTUATOR TEST . . . . . . . . . . . . . . 31-85 TPMS SPECIAL FUNCTION DATA LIST . . 31-85 CHECK AT TPMS RECEIVER . . . . . . . . . . 31-86 SPECIAL TOOLS . . . . . . . . . . . . . . . . 31-87 ON-VEHICLE SERVICE . . . . . . . . . . . 31-88 TIRE INFLATION PRESSURE CHECK . . . 31-88 TIRE WEAR CHECK . . . . . . . . . . . . . . . . . . 31-88 WHEEL RUNOUT CHECK . . . . . . . . . . . . . 31-88 TPMS SPECIAL FUNCTION . . . . . . . . . . . . 31-89 TIRE PRESSURE SENSOR ID REGISTRATION . . . . . . . . . . . . . . . . . . . . . 31-89 TIRE PRESSURE SENSOR ID CHECK . . . 31-90 TIRE PRESSURE SENSOR CHECK . . . . . 31-91 WHEEL AND TIRE . . . . . . . . . . . . . . . 31-93 INSTALLATION SERVICE POINT . . . . . . . 31-93 WHEEL AND TIRE REPLACEMENT . . . . . 31-93 TIRE PRESSURE MONITORING SYSTEM (TPMS) . . . . . . . . . . . . . . . . 31-94 TPMS ANTENNA . . . . . . . . . . . . . . . . . . . . 31-94 REMOVAL AND INSTALLATION . . . . . . . . 31-94 TPMS RECEIVER . . . . . . . . . . . . . . . . . . . . 31-96 REMOVAL AND INSTALLATION . . . . . . . . 31-96 TPMS TRANSMITTER . . . . . . . . . . . . . . . . 31-97 REMOVAL AND INSTALLATION . . . . . . . . 31-97 SPECIFICATIONS . . . . . . . . . . . . . . . 31-101 FASTENER TIGHTENING SPECIFICATION . . . . . . . . . . . . . . . . . . . . . 31-101 GENERAL SPECIFICATIONS . . . . . . . . . . 31-101 SERVICE SPECIFICATIONS . . . . . . . . . . . 31-101

GENERAL DESCRIPTION TSB Revision WHEEL AND TIRE 31-2 GENERAL DESCRIPTION M1311000100093 FEATURE • Warns driver of low tire pressure by illuminating the TPMS warning light on the combination meter • Warns driver of TPMS problems by flashing the TPMS warning light on the combination meter TIRE PRESSURE MONITORING SYSTEM (TPMS) The Tire Pressure Monitoring System (TPMS) con- sists of five TPMS transmitters (tire pressure sensors and roll switches) installed in all tires, four TPMS antennas installed inside the wheel houses, a TPMS receiver installed inside the lower quarter trim (RH), and a TPMS warning light on the combination meter. Each TPMS antenna receives radio frequency signal output from the TPMS transmitter, the TPMS receiver interprets the signals and detects abnormal- ity of tire pressure and/or the system, and the TPMS warning light illuminates or flashes to alert. CONSTRUCTION DIAGRAM AC307575 AC205999 H C AT TEMP SRS P R N D 5 4 3 2 1 x1000r/min 2 3 4 5 6 7 8 1 0 AC307585 TPMS ANTENNA (FRONT: RH) TPMS RECEIVER TPMS TRANSMITTER (FRONT: RH) TPMS WARNING LIGHT TPMS ANTENNA (FRONT: LH) TPMS ANTENNA (REAR: RH) TPMS ANTENNA (REAR: LH) TPMS TRANSMITTER (FRONT: LH) TPMS TRANSMITTER (REAR: RH) TPMS TRANSMITTER (REAR: LH) TPMS TRANSMITTER (SPARE) AB NOTE: Each TPMS transmitter has a pressure sensor and roll switch.

GENERAL DESCRIPTION TSB Revision WHEEL AND TIRE 31-3 CIRCUIT DIAGRAM • The TPMS receiver processes input signals from each TPMS transmitter as well as vehicle speed signals from the vehicle speed sensor. When the road tire pressure is low, it sends a warning signal causing the TPMS warning light to be illumi- nated. When the TPMS has problems, it sends a warning signal causing the TPMS warning light to be flashed. • The TPMS transmitter includes a roll switch that senses tire rotation. The TPMS receiver can determine which tires are rotating (road tire) and stationary (spare tire). • For 3 seconds after the ignition switch is turned to the "ON" position, the TPMS receiver illuminates the TPMS warning light to check any breaks in the TPMS warning light circuit. AC307586 RELAY BOX JUNCTION BLOCK COMBINATION METER TPMS RECEIVER DATA LINK CONNECTOR FRONT TIRE (LH) FRONT TIRE (RH) REAR TIRE (LH) REAR TIRE (RH) IGNITION SWITCH (IG1) FUSIBLE LINK TPMS POWER SUPPLY GND RECEIVING CIRCUIT EEPROM VEHICLE SPEED SENSOR CPU TPMS TRANSMITTER TPMS ANTENNA (FRONT: LH) CONTROL CIRCUIT TPMS ANTENNA (FRONT: RH) CONTROL CIRCUIT TPMS ANTENNA (REAR: LH) CONTROL CIRCUIT CPU TRANSMISSION CIRCUIT SPARE TIRE 18 15A 6 10A 10 20A 2 FUSIBLE LINK 1 AB ANTENNA TPMS ANTENNA (REAR: RH) CONTROL CIRCUIT PRESSURE SENSOR ROLL SWITCH BATTERY

GENERAL DESCRIPTION TSB Revision WHEEL AND TIRE 31-4 • By connecting the scan tool to the data link connector, data stored in the TPMS receiver (data of tire pressure and tire pressure sensor ID, the alarm status and warning history, etc.) can be dis- played and the tire pressure sensor ID can be registered. TPMS WARNING LIGHT The TPMS warning light on the combination meter illuminates or flashes to alert the driver when signals are entered from the TPMS receiver. NOTE: . • Immediately after the tire pressure sensor ID has been rec- ognized, the TPMS receiver cannot recognize the road tires until the vehicle is driven for some time. Therefore, if the spare tire pressure is low, the TPMS warning light will illumi- nate. • The tire pressure monitoring is not applicable for the spare tire. Therefore, if the low-pressure road tire is used as a spare tire, the TPMS warning light will go out as soon as the TPMS receiver recognizes that. CIRCUMSTANCE WARNING LIGHT For 3 seconds after the ignition switch is turned to the "ON" position (warning light circuit self-check) Illuminates TPMS problems Flashes Low tire pressure of any road tire Illuminates AC205999 H C AT TEMP SRS P R N D 5 4 3 2 1 x1000r/min 2 3 4 5 6 7 8 1 0 AC307585

GENERAL DESCRIPTION TSB Revision WHEEL AND TIRE 31-5 TPMS TRANSMITTER (TIRE PRESSURE SENSOR) The TPMS transmitter combines the valve and tire pressure sensor in a single unit. The TPMS transmitters are mounted inside the tires (including the spare tire). The TPMS transmitter measures tire pressure directly with its tire pressure sensor and sends radio frequency signals to the antenna inside the wheel house. The TPMS transmitter includes a roll switch that senses tire rotation. The TPMS receiver can determine which tires are rotating (road tire) and stationary (spare tire). NOTE: Use only genuine wheels. The use of non-genuine wheels may cause the improper installation of the TPMS transmitters, possibly resulting in air leakage and damage to the TPMS transmitter. . TIRE PRESSURE SAMPLING TIMING Tire pressure sampling: Once every 30 seconds . DATA TRANSMISSION TIMING If a sampled pressure varies by ±10 kPa (1.5psi) from the last transmitted pressure value, an additional transmission will occur. NOTE: Vehicle moving = vehicle speed: approxi- mately 30 km/h (19 mph) or more <roll switch: ON> NOTE: Service period = First 15 minutes after vehicle stops <roll switch: OFF> NOTE: Vehicle stationary = Situations except vehicle moving and service period <roll switch: OFF> AC307594 AC307583 AC307584 AB VALVE TPMS TRANSMITTER (TIRE PRESSURE SENSOR) A SECTION A - A A TPMS ANTENNA TPMS TRANSMITTER VEHICLE STATUS TRANSMISSION TIMING At vehicle moving and service period once every 1 minute At vehicle stationary once every 1 hour

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2004 MITSUBISHI MONTERO Service and Repair Manual

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