Page 129 of 5121
DRIVER SEAT CONTROL UNIT
ADP-123
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Fail-safeINFOID:0000000003759213
The fail-safe mode may be activated if the following symptoms are observed.
JCJWM0309GB
Page 130 of 5121

ADP-124
< ECU DIAGNOSIS >
DRIVER SEAT CONTROL UNIT
DTC Index
INFOID:0000000003759214
*1:
0: Current malfunction is present
1-39: Displayed if any previous malfunction is present when current condition is normal. The numeral value increases by one at each
IGN ON to OFF cycle from 1 to 39. The counter remains at 39 even if the number of cycles exceeds it. However, the counter is reset
to 1 if any malfunction is detected again, the normal operation is resumed and the ignition switch is turned from OFF to ON. Operating in
fail-safe modeMalfunction ItemRelated
DTCDiagnosis
Only manual functions operate normallyCAN communication U1000ADP-38
CONTROL UNIT U1010ADP-39
EEPROM B2130ADP-40
Only manual functions, except seat sliding, operate normally Seat sliding output B2112ADP-41
Only manual functions, except seat reclining, operate normally Seat reclining output B2113ADP-43
CONSULT-III
displayTiming
*1
Item Reference page
Current mal-
functionPrevious mal-
function
CAN COMM CIRCUIT
[U1000]0 1-39 CAN communicationADP-38
CONTROL UNIT
[U1010]0 1-39 Control unitADP-39
SEAT SLIDE
[B2112]0 1-39 Seat slide motor outputADP-41
SEAT RECLINING
[B2113]0 1-39 Seat reclining motor outputADP-43
EEPROM
[B2130]0 1-39 EEPROMADP-40
Page 131 of 5121

MANUAL FUNCTION DOES NOT OPERATE
ADP-125
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
MANUAL FUNCTION DOES NOT OPERATE
ALL COMPONENTS
ALL COMPONENTS : Diagnosis ProcedureINFOID:0000000003759225
1.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit.
Refer to ADP-45, "
DRIVER SEAT CONTROL UNIT : DiagnosisProcedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
2.CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check power seat switch ground circuit.
Refer toADP-57, "
DiagnosisProcedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT SLIDING
SEAT SLIDING : Diagnosis ProcedureINFOID:0000000003846564
1.CHECK SLIDING MECHANISM
Check for the following.
Mechanism deformation or pinched foreign materials.
Interference with other parts because of poor installation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK SLIDING SWITCH
Check sliding switch.
Refer to ADP-46, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK SLIDING MOTOR
Check sliding motor.
Refer to ADP-68, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
Page 132 of 5121

ADP-126
< SYMPTOM DIAGNOSIS >
MANUAL FUNCTION DOES NOT OPERATE
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT RECLINING
SEAT RECLINING : Diagnosis ProcedureINFOID:0000000003846565
1.CHECK RECLINING MECHANISM
Check for the following.
Mechanism deformation or pinched foreign materials.
Interference with other parts because of poor installation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK RECLINING SWITCH
Check reclining switch.
Refer to ADP-48, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK RECLINING MOTOR
Check reclining motor.
Refer to ADP-70, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT LIFTING (FRONT)
SEAT LIFTING (FRONT) : Diagnosis ProcedureINFOID:0000000003846566
1.CHECK LIFTING (FRONT) MECHANISM
Check for the following.
Mechanism deformation or pinched foreign materials.
Interference with other parts because of poor installation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK LIFTING SWITCH (FRONT)
Check lifting switch (front).
Refer to ADP-50, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK LIFTING MOTOR (FRONT)
Check lifting motor (front).
Refer to ADP-72, "
ComponentFunctionCheck".
Is the inspection result normal?
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MANUAL FUNCTION DOES NOT OPERATE
ADP-127
< SYMPTOM DIAGNOSIS >
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YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT LIFTING (REAR)
SEAT LIFTING (REAR) : Diagnosis ProcedureINFOID:0000000003846567
1.CHECK LIFTING (REAR) MECHANISM
Check for the following.
Mechanism deformation or pinched foreign materials.
Interference with other parts because of poor installation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2.CHECK LIFTING SWITCH (REAR)
Check lifting switch (rear).
Refer to ADP-52, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK LIFTING MOTOR (REAR)
Check lifting motor (rear).
Refer to ADP-74, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
Page 134 of 5121

ADP-128
< SYMPTOM DIAGNOSIS >
MEMORY FUNCTION DOES NOT OPERATE
MEMORY FUNCTION DOES NOT OPERATE
ALL COMPONENTS
ALL COMPONENTS : Diagnosis ProcedureINFOID:0000000003759223
1.CHECK MANUAL OPERATION
Check manual operation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to ADP-125, "
ALL COMPONENTS : Diagnosis Procedure".
2.PERFORM INITIALIZATION AND MEMORY STORING PROCEDURE
1. Perform initialization procedure.
Refer to ADP-8, "
SYSTEM INITIALIZATION : Special Repair Requirement".
2. Perform memory storing procedure.
Refer to ADP-9, "
MEMORY STORING : Special Repair Requirement".
3. Check memory function.
Refer to ADP-19, "
MEMORY FUNCTION : System Description".
Is the inspection result normal?
YES >> Memory function is normal.
NO >> GO TO 3.
3.CHECK DTC
Check the following DTC.
Vehicle speed signal
“Self Diagnostic Result” with ABS actuator and electric unit (control unit). Refer to BRC-48, "
DTC No. Index".
“Self Diagnostic Result” with METER. Refer to MWI-67, "
DTC Index".
Selector lever in P position signal, ignition position signal and key slot signal.
“Self Diagnostic Result” with BCM. Refer to ADP-110, "
DTCIndex".
“Self Diagnostic Result” with TCM. Refer to TM-121, "
DTC Index".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK SEAT MEMORY SWITCH
Check seat memory switch.
Refer to ADP-54, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.CHECK FRONT DOOR SWITCH (DRIVER SIDE)
Check front door switch (driver side).
Refer to ADP-58, "
Component Function Check".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace the malfunctioning parts.
6.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT SLIDING
Page 135 of 5121

MEMORY FUNCTION DOES NOT OPERATE
ADP-129
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SEAT SLIDING : Diagnosis ProcedureINFOID:0000000003759226
1.CHECK MANUAL OPERATION
Check manual operation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to ADP-125, "
SEAT SLIDING : Diagnosis Procedure".
2.CHECK SLIDING SENSOR
Check sliding sensor.
Refer to ADP-60, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT RECLINING
SEAT RECLINING : Diagnosis ProcedureINFOID:0000000003759227
1.CHECK MANUAL OPERATION
Check manual operation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to ADP-126, "
SEAT RECLINING : Diagnosis Procedure".
2.CHECK RECLINING SENSOR
Check reclining sensor.
Refer to ADP-62, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT LIFTING (FRONT)
SEAT LIFTING (FRONT) : Diagnosis ProcedureINFOID:0000000003759228
1.CHECK MANUAL OPERATION
Check manual operation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to ADP-126, "
SEAT LIFTING (FRONT) : Diagnosis Procedure".
2.CHECK LIFTING SENSOR (FRONT)
Check lifting sensor (front).
Refer to ADP-64, "
ComponentFunctionCheck".
Page 136 of 5121
ADP-130
< SYMPTOM DIAGNOSIS >
MEMORY FUNCTION DOES NOT OPERATE
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.
SEAT LIFTING (REAR)
SEAT LIFTING (REAR) : Diagnosis ProcedureINFOID:0000000003759229
1.CHECK MANUAL OPERATION
Check manual operation.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Refer to ADP-127, "
SEAT LIFTING (REAR) : Diagnosis Procedure".
2.CHECK LIFTING SENSOR (REAR)
Check lifting sensor (rear).
Refer to ADP-66, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CONFIRM THE OPERATION
Check the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.