Terminals Of Ecu
- CHECK REAR SUNSHADE ASSEMBLY (REAR SUNSHADE RELAY)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the K17 relay connector.
- Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition K17-1 (IG) - K17-5 (E) V - W-B Power source (IG) Ignition switch off Below 1 V K17-1 (IG) - K17-5 (E) V - W-B Power source (IG) Ignition switch on (IG) 11 to 14 V K17-3 (SW) - K17-5 (E) GR - W-B Rear sunshade switch signal Ignition switch on (IG), rear sunshade switch not pressed 10 kΩ or higher K17-3 (SW) - K17-5 (E) GR - W-B Rear sunshade switch signal Ignition switch on (IG), rear sunshade switch pressed Below 1 Ω K17-5 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω If the result is not as specified, there may be a malfunction in the wire harness side connector.
- Connect the K17 relay connector.
- Measure the Voltage of the wire harness side connector.
Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition REV (K17-2) - Body ground SB - Body ground Reverse signal Ignition switch on (IG), shift lever in except R position Below 1 V REV (K17-2) - Body ground SB - Body ground Reverse signal Ignition switch on (IG), shift lever in except R → R position 11 to 14 V REV (K17-2) - Body ground SB - Body ground Reverse signal Ignition switch on (IG), shift lever in except R position (Vehicle speed at 15 km/h (9.3 mph) Below 1 V SW (K17-3) - Body ground GR - Body ground Rear sunshade switch signal Ignition switch on (IG), rear sunshade switch not pressed 11 to 14 V SW (K17-3) - Body ground GR - Body ground Rear sunshade switch signal Ignition switch on (IG), rear sunshade switch pressed Below 1.5 V