Terminals Of Ecu
- CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (BODY ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Check the voltage or resistance between the terminals of the connectors.
Standard
INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (BODY ECU)Symbols (Terminal No.) Wiring Color Condition Specified Condition BUP (B5-10) ← → COM (B5-19) Y-R ← → B-Y - Ignition switch ON
- Back door power window switch UP
Less than 1.5 V Back door power window switch OFF More than 5 kΩ BDN (BS-8) ← → COM (B5-19) B-L ← → B-Y - Ignition switch ON
- Back door power window switch DOWN
Less than 1.5 V Back door power window switch OFF More than 5 kΩ W/L1 (B6-24) ← → W/L2 (B6-22) L-Y ← → L-R Window tock switch ON Less than 1.0 V Window lock switch OFF More than 1 kΩ If the result is not as specified, the instrument panel J/B assembly (body ECU) malfunctions.
- Check the voltage or resistance between the terminals of the connectors.
- CHECK MULTIPLEX NETWORK DOOR ECU (BACK DOOR ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Check the voltage or continuity between the terminals of the connectors.
Standard
MULTIPLEX NETWORK DOOR ECU (BACK DOOR ECU)Symbols (Terminal No.) Wiring Color Condition Specified Condition BDR (B8-4) ← → Body ground L ← →- Constant 10 to 14 V BECU (B8-5) ← → Body ground L-R ← →- Constant 10 to 14 V SIG (B8-6) ← → Body ground B ← →- Ignition switch OFF Less than 1 V Ignition switch ON 10 to 14 V SGND (B9-18) ← → GND (B8-3) G-R ← → W-B Constant Continuity GND (B8-3) ← → Body ground W-B ← →- Constant Continuity BDUP (B9-13) ← → BDDN (B9-25) Y-B ← → R-B Back door power window in close operation 10 to 14 V BDDN (B9-25) ← → BOUP (B9-13) R.B ← → Y-B Back door power window in open operation 10 to 14 V IC+ (B9-11) ← → IC- (B9-23) Y-G ← → L-W Constant 6 to 14 V IC1 (B9-16) ← → IC- (B9-23) B-0 ← → L-W Back door power window In operation Pulse generates IC2 (B9-17) ← → IC- (B9-23) W-R ← → L-W Back door power window In operation Pulse generates UP (B9-5) ← → E (B9-19) V-Y ← → LG-B Back door lock key cylinder turned right using key Continuity DOWN (B9-4) ← → E (B9-19) GR-R ← → LG-B Back door lock key cylinder turned left using key Continuity E (B9-19) ← → SGND (B9-18) LG-B ← → G-R Constant Continuity P (B9-12) ← → SGND (B9-18) P-B ← → G-R Rear wiper In retract position Less than 1 V If the result is not as specified, the multiplex network door ECU back (back door ECU) malfunctions.
- Check the voltage or continuity between the terminals of the connectors.