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5. CHECK POWER SUPPLY CIRCUIT (DRIVER SEAT CONTROL UNIT)
1. Disconnect driver seat control unit connector.
2. Check voltage between driver seat control unit and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair or replace harness between driver seat control
unit and fuse block (J/B).
6. CHECK GROUND CIRCUIT (DRIVER SEAT CONTROL UNIT)
1. Turn ignition switch OFF.
2. Check continuity between the driver seat control unit connector
B117, B118 terminal 34, 23 and ground.
OK or NG
OK >> Driver seat control unit circuit is OK.
NG >> Repair or replace harness between driver seat control
unit and ground.
CONSULT-II Function (AUTO DRIVE POS.)BIS0012Q
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
*1: For setting automatic drive positioner functions only.
*2: During vehicle driving, do not perform active test.
CONSULT-II OPERATION
Refer to GI-34, "CONSULT-II Start Procedure" .
SELF-DIAGNOSIS RESULTS
Display Item List
Refer to SE-3, "INDEX FOR DTC" .
ConnectorTerminals (Wire color)
Ignition
switchVoltage (V)
(Approx.)
(+) (–)
B117 3 (G)
GroundSTART
Battery voltage
B11824 (B/R)
OFF
30 (R/L)
PIIB2027E
34 (B) – Ground : Continuity should exist.
23 (B) – Ground : Continuity should exist.
PIIB2028E
CONSULT-II
diagnosis
itemsInspection item,
self-diagnosis modeContentReference
page
AUTO DRIVE
POSITIONERWORK SUPPORT*
1Changes the setting for each function.SE-31
SELF–DIG RESULTS Check the self-diagnosis results.SE-3
DATA MONITORSelection from
menuDisplays the input data to driver seat control unit and automatic
driving positioned control unit on real-time basis.SE-34
CAN DIAGNOSTIC SUPPORT
MONITORThe results of transmit / receive diagnosis of CAN communication
can be readLAN-44
ACTIVE TEST*2Gives a drive signal to a load to check the operation.SE-34
ECU PART NUMBER Displays driver seat control unit part No. —
BCM DATA MONITORSelection from
menuDisplays the input data to BCM on real-time basisBL-30
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SE-34
AUTOMATIC DRIVE POSITIONER
DATA MONITOR
Selection from Menu
ACTIVE TEST
CAUTION:
During vehicle driving, do not perform active test.
NOTE:
If active test is performed, reset seat memory and key fob interlock drive positioner after performing work.
Display Item List
Monitor item [OPERATION or UNIT] Contents
SLIDE SW–FR “ON/OFF” ON/OFF status judged from the sliding switch (FR) signal is displayed.
SLIDE SW–RR “ON/OFF” ON/OFF status judged from the sliding switch (RR) signal is displayed.
RECLN SW–FR “ON/OFF” ON/OFF status judged from the reclining switch (FR) signal is displayed.
RECLN SW–RR “ON/OFF” ON/OFF status judged from the reclining switch (RR) signal is displayed.
LIFT FR SW–UP “ON/OFF” ON/OFF status judged from the FR lifter switch (UP) signal is displayed.
LIFT FR SW–DN “ON/OFF” ON/OFF status judged from the FR lifter switch (DOWN) signal is displayed.
LIFT RR SW–UP “ON/OFF” ON/OFF status judged from the RR lifter switch (UP) signal is displayed.
LIFT RR SW–DN “ON/OFF” ON/OFF status judged from the RR lifter switch (DOWN) signal is displayed.
SET SW “ON/OFF” ON/OFF status judged from the setting switch signal is displayed.
MEMORY SW1 “ON/OFF” ON/OFF status judged from the seat memory switch 1 signal is displayed.
MEMORY SW2 “ON/OFF” ON/OFF status judged from the seat memory switch 2 signal is displayed.
DETENT SW “ON/OFF”The selector lever position “OFF (P position) / ON (other than P position)” judged from the
detent switch signal is displayed.
STARTER SW “ON/OFF”Ignition key switch ON (START, ON) /OFF (ignition switch IGN, ACC, or OFF) status judged
from the ignition switch signal is displayed.
SLIDE PULSE —Value (32768) when battery connects is as standard. If it moves backward, the value
increases. If it moves forward, the value decreases.
RECLN RULSE —Value (32768) when battery connects is as standard. If it moves backward, the value
increases. If it moves forward, the value decreases.
LIFT FR PULSE —Value (32768) when battery connects is as standard. If it moves DOWN, the value increases.
If it moves UP, the value decreases.
LIFT RR PULSE —Value (32768) when battery connects is as standard. If it moves DOWN, the value increases.
If it moves UP, the value decreases.
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
SEAT RECLINING The reclining motor is activated by receiving the drive signal.
SEAT LIFTER FR The front end lifter motor is activated by receiving the drive signal.
SEAT LIFTER RR The rear end lifter motor is activated by receiving the drive signal.
MEMORY SW INDCTR The memory switch indicator is lit by receiving the drive signal.
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Check CAN Communication System BIS0012R
1. CHECK SELF-DIAGNOSTIC RESULT
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
With CONSULT-II
1. Connect CONSULT-II, and turn ignition switch ON.
2. Touch “AUTO DRIVE POS” on “SELECT SYSTEM” screen.
3. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
4. Check display content in self-diagnostic results.
Displayed U1000?
Ye s > > G O T O LAN-49, "CAN System Specification Chart" .
No >> Inspection END.
Symptom ChartBIS0012S
Symptom Diagnoses / service procedureReference
page
A part of seat system does not operate
(both automatically and manually).1. Check sliding motor circuit SE-36
2. Check reclining motor circuit SE-37
3. Check front lifter motor circuit SE-39
4. Check rear lifter motor circuit SE-40
5. If the above systems are normal, replace the driver
seat control unitSE-16
A part of seat system does not operate
(only automatic operation).1. Check sliding sensor circuit SE-42
2. Check reclining sensor circuit SE-43
3. Check front lifting sensor circuit SE-44
4. Check rear lifting sensor circuit SE-45
5. If the above systems are normal, replace the driver
seat control unitSE-16
All the automatic operations do not operate.1. Check detention switch (P range switch) circuit SE-53
2. Check key switch and key lock solenoid circuit
(with Intelligent Key)SE-54
3. Check key switch circuit (without Intelligent Key)SE-54
4. If the above systems are normal, replace the driver
seat control unitSE-16
A part of seat system does not operate
(only manual operation).1. Check Sliding switch circuit SE-47
2. Check reclining switch circuit SE-48
3. Check front lifting switch circuit SE-50
4. Check rear lifting switch circuit SE-51
5. If the above systems are normal, replace the driver
seat control unitSE-16
Only memory switch operation dose not operate.1. Check seat memory switch circuit SE-562. If the above systems are normal, replace the driver
seat control unitSE-16
Seat memory indicator lamps 1 and 2 do not illuminate.1. Check seat memory indicator lamp circuitSE-572. If all the above systems are normal, replace the driver
seat control unitSE-16
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SE-36
AUTOMATIC DRIVE POSITIONER
Check Sliding Motor Circuit BIS0012T
1. CHECK SEAT SLIDING MECHANISM
Check the following.
Operation malfunction caused by sliding rail deformation or pinched harness or other foreign materials
Operation malfunction caused by foreign materials adhered to the sliding motor or sliding rail connector
rod
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT SLIDE” in ACTIVE TEST.
OK or NG
OK >> Sliding motor circuit is OK.
NG >> GO TO 3.
The Entry/Exiting does not operated when door is opened
and closed. (The Entry/Exiting operates with key switch)1. Check front door switch (driver side) circuit SE-46
2. If all the above systems are normal, replace the BCMSE-16
Only seat system does not operated
(only automatic operation).Check power seat switch ground circuitSE-52
Symptom Diagnoses / service procedureReference
page
Test item Description
SEAT SLIDE The sliding motor is activated by receiving the drive signal.
PIIA0265E
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3. CHECK SLIDING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and sliding motor connector.
3. Check continuity between driver seat control unit connector
B118 terminals 25, 31 and sliding motor connector B123 termi-
nals 44, 45.
4. Check continuity between driver seat control unit connector
B118 terminals 25, 31 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and sliding motor.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Sliding switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace sliding motor.
NG >> Replace driver seat control unit.
Check Reclining Motor Circuit BIS0012U
1. CHECK SEAT RECLINING MECHANISM
Check the following.
Operation malfunction caused by an interference with the center pillar or center console
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.25 (W/R) – 44 (BR) : Continuity should exist.
31 (W/G) – 45 (G) : Continuity should exist.
25 (W/R) – Ground : Continuity should not exist.
31 (W/G) – Ground : Continuity should not exist.
PIIB8691E
Connec-
torTerminals
(Wire color)
Sliding switch conditionVoltage (V)
(Approx.)
(+) (–)
B11825 (W/R)
GroundFORWARD Battery voltage
Other than above 0
31 (W/G)BACKWARD Battery voltage
Other than above 0
PIIB2033E
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2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT RECLINING” in ACTIVE TEST.
OK or NG
OK >> Reclining motor circuit is OK.
NG >> GO TO 3.
3. CHECK RECLINING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and reclining motor connector.
3. Check continuity between driver seat control unit connector
B118 terminals 26, 32 and reclining motor connector B124 termi-
nals 46, 47.
4. Check continuity between driver seat control unit connector
B118 terminals 26, 32 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and reclining motor.
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit.
2. Reclining switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace reclining motor.
NG >> Replace driver seat control unit.
Test item Description
SEAT
RECLININGThe reclining motor is activated by receiving the drive signal.
PIIA0268E
26 (G/R) – 46 (GR) : Continuity should exist.
32 (L/O) – 47 (LG) : Continuity should exist.
26 (G/R) – Ground : Continuity should not exist.
32 (L/O) – Ground : Continuity should not exist.
PIIB8692E
ConnectorTerminals
(Wire color)
Reclining switch conditionVoltage (V)
(Approx.)
(+) (–)
B11826 (G/R)
GroundFORWARD Battery voltage
Other than above 0
32 (L/O)BACKWARD Battery voltage
Other than above 0
PIIB2035E
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Check Front Lifting Motor Circuit BIS0012V
1. CHECK FRONT SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials
Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws
Operation malfunction and interference with other parts by installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER FR” in ACTIVE TEST.
OK or NG
OK >> Front lifting motor circuit is OK.
NG >> GO TO 3.
3. CHECK FRONT LIFTING MOTOR HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector and front lifting motor connector.
3. Check continuity between driver seat control unit connector
B118 and terminals 27, 33 and front lifting motor connector B125
terminals 50, 51.
4. Check continuity between driver seat control unit connector
B118 and terminals 27, 33 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness between driver seat control unit and front lifting motor.
Test item Description
SEAT
LIFTER FRThe front end lifter motor is activated by receiving the drive sig-
nal.
PIIA0271E
27 (R/Y) – 51 (SB) : Continuity should exist.
33 (Y/G) – 50 (R) : Continuity should exist.
27 (R/Y) – Ground : Continuity should not exist.
33 (Y/G) – Ground : Continuity should not exist.
PIIB8693E
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AUTOMATIC DRIVE POSITIONER
4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect the driver seat control unit connector.
2. Front lifting switch operate, check voltage between driver seat control unit connector and ground.
OK or NG
OK >> Replace front lifting motor.
NG >> Replace driver seat control unit.
Check Rear Lifting Motor Circuit BIS0012W
1. CHECK REAR SEAT LIFTING MECHANISM
Check the following.
Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign mate-
rials
Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws
Operation malfunction and interference with other parts by poor installation
OK or NG
OK >> GO TO 2.
NG >> Repair the malfunctioning part and check again.
2. CHECK FUNCTION
With CONSULT-II
Check operation with “SEAT LIFTER RR” in ACTIVE TEST.
OK or NG
OK >> Rear lifting motor check is OK.
NG >> GO TO 3.
ConnectorTerminals
(Wire color)
Front lifting switch conditionVoltage (V)
(Approx.)
(+) (–)
B11827 (R/Y)
GroundDOWN Battery voltage
Other than above 0
33 (Y/G)UP Battery voltage
Other than above 0
PIIB2037E
Test item Description
SEAT LIFTER
RRThe rear end lifter motor is activated by receiving the drive sig-
nal.
PIIA0274E