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05-1632
DIAGNOSTICS - SLIDE DOOR CLOSER SYSTEM
05C0D-01
TERMINALS OF ECU
1. CHECK POWER SLIDE DOOR ECU LH
P26 P25
B68464
(a) Disconnect the P25 and P26 ECU connectors, and check the voltage and resistance of each terminal
of the wire harness side connectors.
Standard:
Terminal No. Wiring Color Condition Specified Condition
P26-2 (B) - Body ground B-W - Body ground Constant 10 to 14 V
P25-10 (ECUB) - Body ground W - Body ground Constant 10 to 14 V
P26-8 (GND) - Body ground W-B - Body ground Constant Below 1
Rear door inside/outside handle
P25-3 (HSW) - Body ground W-R - Body ground
NOT PULLED PULLED 10 k or higher Below 1
P25-7 (HAF) - Body ground GR-B - Body ground Slide door OPEN CLOSED Below 1 10 k or higher
P25-8 (FUL) - Body ground Y-R - Body ground Slide door OPEN CLOSED Below 1 10 k or higher
NOT COMPLETELY CLOSED 10 k or higher
P25-20 (POL) - Body ground L-W - Body ground SLide door OPEN 10 k or higher
CLOSED 10 k or higher after momentarily being 1
Slide door OPEN 10 k or higher
P25-21 (POS) - Body ground BR-W - Body ground Closer in operation Below 1
CLOSED 10 k or higher
If the result is not as specified, there may be a malfunction on the wire harness side.
(b) Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.
Standard:
Terminal No. Wiring Color Condition Specified Condition
Slide door OPEN Below 1 V
NOT COMPLETELY CLOSED Below 1 V
P25-12 (DC+) - Body Ground R - Body ground Motor in normal rotation (Right turn) 10 to 14 V
Motor in reverse rotation (Left turn) Below 1 V
Operation completed (Back door CLOSED) Below 1 V
Slide door OPEN Below 1 V
NOT COMPLETELY CLOSED Below 1 V
P25-11 (DC-) - Body Ground W - Body ground Motor in normal rotation (Right turn) Below 1 V
Motor in reverse rotation (Left turn) 10 to 14 V
Operation completed (Back door CLOSED) Below 1 V
If the result is not as specified, the ECU may have a malfunction.
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1815
05-1633
DIAGNOSTICS - SLIDE DOOR CLOSER SYSTEM
2. CHECK POWER SLIDE DOOR ECU RH
P28 P27
B68464
(a) Disconnect the P27 and P28 ECU connectors, and check the voltage and resistance of each terminal
of the wire harness side connectors.
Standard:
Terminal No. Wiring Color Condition Specified Condition
P28-2 (B) - Body ground B - Body ground Constant 10 to 14 V
P27-10 (ECUB) - Body ground W - Body ground Constant 10 to 14 V
P28-8 (GND) - Body ground W-B - Body ground Constant Below 1
Rear door Inside/outside handle
P27-3 (HSW) - Body ground W-R - Body ground
NOT PULLED PULLED 10 k or higher Below 1
P27-7 (HAF) - Body ground GR-B - Body ground Slide door OPEN CLOSED Below 1 10 k or higher
P27-8 (FUL) - Body ground Y-R - Body ground Slide door OPEN CLOSED Below 1 10 k or higher
NOT COMPLETELY CLOSED 10 k or higher
P27-20 (POL) - Body ground L-W - Body ground SLide door OPEN 10 k or higher
CLOSED 10 k or higher after momentarily being 1
Slide door OPEN 10 k or higher
P27-21 (POS) - Body ground BR-W - Body ground Closer in operation Below 1
CLOSED 10 k or higher
If the result is not as specified, there may be a malfunction on the wire harness side.
(b) Reconnect the ECU connectors, and check the voltage of each terminal of the connectors.
Standard:
Terminal No. Wiring Color Condition Specified Condition
Slide door OPEN Below 1 V
NOT COMPLETELY CLOSED Below 1 V
P27-12 (DC+) - Body Ground R - Body ground Motor in normal rotation (Right turn) 10 to 14 V
Motor in reverse rotation (Left turn) Below 1 V
Operation completed (Back door CLOSED) Below 1 V
Slide door OPEN Below 1 V
NOT COMPLETELY CLOSED Below 1 V
P27-11 (DC-) - Body Ground W - Body ground Motor in normal rotation (Right turn) Below 1 V
Motor in reverse rotation (Left turn) 10 to 14 V
Operation completed (Back door CLOSED) Below 1 V
If the result is not as specified, the ECU may have a malfunction.
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1816
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