Suzuki GRAND VITARA XL-7 Owner's Manual page 439

7B1-30 AUTOMATIC TRANSMISSION (4 A/T)
DTC CONFIRMATION PROCEDURE
WARNING:
• When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.
1) Connect scan tool to DLC with ignition switch OFF, if available.
2) Clear DTC, pending DTC and freeze frame data by using scan tool.
3) Start engine and turn O/D cut switch ON.
4) Shift select lever to D range and start vehicle.
5) Keep vehicle speed at higher than 10 km/h (7 mile/h) with 1st gear in D range for 2 sec. or more.
6) Increase vehicle speed and keep it at higher than 20 km/h (13 mile/h) with 2nd gear in D range for 2 sec. or
more.
7) Increase vehicle speed and keep it at higher than 30 km/h (20 mile/h) with 3rd gear in D range for 2 sec. or
more.
8) Stop vehicle.
9) Check DTC and/or pending DTC.
TROUBLESHOOTING
Step
1 Was "A/T DIAGNOSTIC FLOW TABLE" in this
section performed?
2 Input shaft speed sensor circuit check :
1) Remove PCM cover.
2) With ignition switch OFF, disconnect PCM
connectors.
3) Check for proper connection to input shaft
speed sensor at C51-1-10 and C51-1-11
terminals.
4) If OK, check resistance of sensor circuit.
Input shaft speed sensor resistance :
Resistance between C51-1-10 and C51-1-11
530 – 650 Ω Ω Ω Ω (at 20 °C (68 °F))
Resistance between C51-1-10/C51-1-11 and
ground :
1 MΩ Ω Ω Ω or more
Are check results satisfactory?
3 Input shaft speed sensor check :
1) With ignition switch OFF, disconnect input
shaft speed sensor connector.
2) Check for proper connection to input shaft
speed sensor at each terminals.
3) If OK, then check resistance of input shaft
speed sensor.
Are measured values as specified in Step 2?
Action Yes
Go to Step 2.
Go to Step 4.
"BLU/GRN" or "BLU/YEL"
wire open or shorted to
ground.
No
Go to "A/T DIAGNOSTIC
FLOW TABLE" in this sec-
tion.
Go to Step 3.
Replace input shaft speed
sensor.