Suzuki GRAND VITARA Owner's Manual page 915

DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTCs in TCM and ECM memories by using scan tool.
3) Start engine and shift select lever to "D" range.
4) Keep engine running at idle speed for 25 seconds or more.
5) Check DTC, pending DTC and freeze-frame data.
DTC Troubleshooting
Step
1 Was "A/T System Check: " performed?
2 Do you have SUZUKI scan tool?
3 Check transmission range sensor (switch) circuit for
operation
Check by using SUZUKI scan tool:
1) Connect SUZUKI scan tool to DLC with ignition switch
OFF.
2) Turn ignition switch ON and check transmission range
sensor signal ("P", "R", "N", "D", "2" or "L") on display
when shifting select lever to each range.
Is applicable range indicated?
4 Check transmission range sensor (switch) circuit for
operation
Check without using SUZUKI scan tool:
1) Turn ignition switch ON.
2) Check voltage at terminals "E93-1", "E93-7", "E93-8",
"E93-18", "E93-19" and "E93-20" respectively with select
lever shifted to each range.
Taking terminal "E93-1" as an example, is battery
voltage will be indicated only when shift lever is shifted to
"R" range and 0 V for other ranges as shown in table.
Check voltage at other terminals likewise, referring to
table.
Are check results satisfactory?
5 Check transmission range sensor (switch) for
installation position
1) Check transmission range sensor (switch) for installation
position referring to "Transmission Range Sensor
Inspection and Adjustment: ".
Is it adjusted correctly?
6 Check select cable for adjustment
1) Check select cable for adjustment referring to "Select
Cable Adjustment: ".
Is it adjusted correctly?
7 Check transmission range sensor (switch)
1) Check transmission range sensor (switch) referring to
"Transmission Range Sensor Inspection and
Adjustment: ".
Are check results satisfactory?
Action
Automatic Transmission/Transaxle:
Yes
Go to Step 2.
Go to Step 3.
Intermittent trouble.
Check for intermittent
trouble referring to
"Intermittent and Poor
Connection Inspection:
in Section 00".
Intermittent trouble.
Check for intermittent
trouble referring to
"Intermittent and Poor
Connection Inspection:
in Section 00".
Go to Step 6.
Go to Step 7.
Transmission range
sensor circuit shorted to
power circuit or shorted
each other. If wires and
connections are OK,
substitute a known-
good TCM and recheck.
5A-47
No
Go to "A/T System
Check: ".
Go to Step 4.
Go to Step 5.
Go to Step 5.
Adjust transmission
range sensor (switch)
and recheck.
Adjust select cable and
recheck.
Replace transmission
range sensor (switch).