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Last Modified: 9-16-2014 6.6 U Doc ID: RM0000014DJ0BIX Model Year: 2015 Model: Tundra Prod Date Range: [08/2014 - ] Title: SEAT BELT: SEAT BELT WARNING SYSTEM: TERMINALS OF ECU; 2015 MY Tundra [08/2014 - ] TERMINALS OF ECU 1. CHECK COMBINATION METER ASSEMBLY (a) Disconnect the J28 combination meter assembly connector. (b) Disconnect the J28 combination meter assembly connector. (c) Measure the resistance and voltage according to the value(s) in the table below. TERMINAL NO. (SYMBOL) WIRING COLOR TERMINAL DESCRIPTION CONDITION SPECIFIED CONDITION J28-2 (IG+) - Body ground P - Body ground Ignition power supply (IG signal) Ignition switch off Below 1 V Ignition switch ON 11 to 14 V J28-1 (B) - Body ground LG - Body ground Battery power supply Always 11 to 14 V J28-24 (ES) - Body ground W-B - Body ground Ground Always Below 1 Ω (d) Reconnect the J28 combination meter assembly connector. (e) Measure the voltage according to the value(s) in the table below. TERMINAL NO. (SYMBOL) WIRING COLOR TERMINAL DESCRIPTION CONDITION SPECIFIED CONDITION J28-30 (SI) - Body ground LG - Body ground Speed signal (input) Ignition switch ON, wheel turned slowly Pulse generation 2. CHECK CENTER AIRBAG SENSOR ASSEMBLY SEAT BELT: SEAT BELT WARNING SYSTEM: TERMINALS OF ECU;... |