7B1-22
AUTOMATIC TRANSMISSION (4 A / T)
TROUBLE DIAGNOSIS TABLE 1
ELECTRICAL REPAIR
Condition
Possible cause
Correction
Poor 1
!
2 shift
Shift solenoid-B valve circuit faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
Poor 1
!
2 shift
TCM
Inspect referring to “DTC FLOW TABLE”of P0758 in
this section. If NG, replace.
Poor 2
!
3 shift
Shift solenoid-A valve circuit faulty
Inspect circuit for open, short and intermittent.
If NG, repair.
Poor 2
!
3 shift
TCM
Inspect referring to “DTC FLOW TABLE” of P0753 in
this section. If NG, replace.
Shift solenoid-B valve circuit faulty
Output shaft speed sensor circuit faulty
Inspect circuit for open short and intermittent
Transmission range sensor circuit
faulty
Ins ect circuit for o en, short and intermittent.
If NG, repair.
Acceleration stroke signal circuit faulty
Poor 3
!
O / D
Acceleration stroke sensor circuit faulty
Inspect circuit for open, short and intermittent referring
Poor 3
!
O / D
shift
Acceleration stroke sensor circuit faulty
g
to Section 6 or Section 6-1. If NG, repair.
shift
O / D off switch faulty
Refer to “DIAGNOSTIC FLOW TABLE A-1” in this
4WD low switch circuit faulty
section.
TCM
Inspect referring to “DTC FLOW TABLE” of P0705,
P0720, P0758 and P1700 in this section. If NG, replace.
ECM
Inspect referring to “DTC FLOW TABLE” of P0121
and P0221 in this section. If NG, replace.
Shift solenoid-A or -B valve circuit
faulty
Inspect circuit for open, short and intermittent.
Output shaft speed sensor circuit faulty
Ins ect circuit for o en, short and intermittent.
If NG, repair.
Acceleration stroke signal circuit faulty
Incorrect gear
shift point
Acceleration stroke sensor circuit faulty
Inspect circuit for open, short and intermittent referring
to Section 6 or Section 6-1. If NG, repair.
TCM
Inspect referring to “DTC FLOW TABLE” of P0720,
P0753, P0758 and P1700 in this section. If NG, replace.
ECM
Inspect referring to “DTC FLOW TABLE” of P0121 and
P0221 in this section. If NG, replace.
TCC solenoid circuit faulty
Input shaft speed sensor circuit faulty
Output shaft speed
Sensor circuit faulty
Inspect circuit for open short and intermittent
Transmission fluid temperature sensor
circuit faulty
Ins ect circuit for o en, short and intermittent.
If NG, repair.
Transmission range sensor circuit
faulty
Non operate TCC
Acceleration stroke signal circuit faulty
(lock-up) system
Acceleration stroke sensor circuit faulty
Inspect circuit for open, short and intermittent referring
to Section 6 or Section 6-1. If NG, replace.
Brake light switch circuit faulty
Refer to “DIAGNOSTIC FLOW TABLE A-2” in this
4WD low switch circuit faulty
section.
TCM
Inspect referring to “DTC FLOW TABLE” of P0705,
P0710, P0715, P0720, P0743 and P1700 in this section.
If NG, replace.
ECM
Inspect referring to “DTC FLOW TABLE” of P0121 and
P0221 in this section. If NG, replace.