Suzuki Grand Vitara XL-7 Service Manual page 427

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