|
|
DTC P1102 MAF SENSOR EC-425 C D E F G H I J K L M A EC Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- Diagnostic Procedure ABS002MS 1. CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF. 2. Loosen and retighten two ground screws. OK or NG OK >> GO TO 2. NG >> Repair or replace ground connections. TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 42 W/B ECM relay [Engine is running] ● A few seconds after turning ignition switch 0 - 1.0V [Ignition switch: OFF] ● More than a few seconds after turning igni- BATTERY VOLTAGE 91 B/Y Mass air flow sensor [Engine is running] ● Warm-up condition ● Idle speed 1.1 - 1.5V [Engine is running] ● Warm-up condition ● Engine speed: 2,500 rpm. 1.7 - 2.4V 103 L Sensor power supply [Ignition switch: ON] Approximately 5V 109 LG Mass air flow sensor ground [Engine is running] ● Warm-up condition ● Idle speed Approximately 0V 163 R Power supply for ECM [Ignition switch: ON] BATTERY VOLTAGE PBIB1118E |