Terminals Of Ecu
WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK RADIO RECEIVER
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the E41 receiver connector.
- Measure the resistance and voltage of the wire harness side connector.
Standard:
TERMINALS REFERENCESymbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition E41-7 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω E41-4(B) - E41-7(GND) L-Y - BR Battery Always 11 to 14 V E41-3(ACC) - E41-7 (GND) GR-BR ACC power supply Ignition switch OFF Below 1 V Ignition switch ACC 11 to 14 V HINT:
If the results are not as specified, there may be a malfunction in the wire harness.
- Reconnect the E41 receiver connector.
- Measure the voltage of the connector.
Standard voltage:
TERMINALS REFERENCESymbols (Terminal No.) Wiring Color Terminal Description Condition Specification E41-10 (ILL+) - E41-7 (GND) G-BR Illumination signal Light control switch OFF Below 1 V Light control switch TAIL 11 to 14 V E42-5 (ILL-) - E41-7 (GND) BR-W - BR Illumination signal Light control switch OFF Below 1 V Light control switch TAIL 11 to 14 V E41-1 (FR+) - E41-7 (GND) LG-BR Sound signal (Front right) Audio system is playing A waveform synchronized with sound is output E41-5(FR-) - E41-7(GND) L-BR Sound signal (Front right) Audio system is playing A waveform synchronized with sound is output E41-2(FL+) - E41-7(GND) P-BR Sound signal (Front left) Audio system is playing A waveform synchronized with sound is output E41-6(FL-) - E41-7(GND) V-BR Sound signal (Front left) Audio system is playing A waveform synchronized with sound is output E42-1 (RR+) - E41-7 (GND) R-BR Sound signal (Rear right) Audio system is playing A waveform synchronized with sound is output E42-3(RR-) - E41-7(GND) W-BR Sound signal (Rear right) Audio system is playing A waveform synchronized with sound is output E42-2 (RL+) - E41-7 (GND) B-BR Sound signal (Rear left) Audio system is playing A waveform synchronized with sound is output E42-6 (RL-) - E41-7 (GND) Y-BR Sound signal (Rear left) Audio system is playing A waveform synchronized with sound is output E41-9 (AMP) - E41-7 (GND)(1) P-L - BR Woofer speaker signal Woofer speaker switch OFF Below 1 V Woofer speaker switch ON 11 to 14 V E43-6 (SWG) - E41-7 (GND) W-R - BR Steering pad switch ground Always Below 1 V E43-7 (SW1) - E41-7 (GND) V-W - BR Steering pad switch signal Steering pad switch not operated 4 V or more SEEK+ switch pushed Approximately 0.5 V SEEK- switch pushed Approximately 0.9 V VOL+ switch pushed Approximately 2.0 V VOL- switch pushed Approximately 3.4 V E43-8 (SW2) - E41-7 (GND) Y-B - BR Steering pad switch signal Steering pad switch not operated 4 V or more MODE switch pushed Approximately 0.5 V ON HOOK switch pushed Approximately 0.9 V OFF HOOK switch pushed Approximately 2.0 V VOICE switch pushed Approximately 3.4 V E43-15(ARI) - E41-7(GND) P-BR Sound signal (Right) External device is playing (When stereo jack adapter is used) A waveform synchronized with sound is output E43-16 (ASGN) - E41-7 (GND) (Shielded) - BR Ground (Shielded) Always Below 1 V E43-17(ALI) - E41-7(GND) L-BR Sound signal (Left) External device is playing (When stereo jack adapter is used) A waveform synchronized with sound is output E43-19 (AUXI) - E41-7 (GND) P-G - BR External device connection detection signal External device is connected Below 1 V (1) w/ Woofer Speaker HINT:
If the results are not as specified, there may be a malfunction in the wire harness.