7B1-38
AUTOMATIC TRANSMISSION (4 A / T)
TROUBLESHOOTING
Step
Action
Yes
No
1
Was “A / T DIAGNOSTIC FLOW TABLE” in this
section performed?
Go to Step 2.
Go to “A / T
DIAGNOSTIC FLOW
TABLE” in this section.
2
Do you have SUZUKI scan tool?
Go to Step 3.
Go to Step 4.
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 signal (P, R, N, D, 2 or L) on display when
shifting select lever to each range.
Is applicable range indicated?
Are check results satisfactory?
Intermittent trouble.
Check for intermittent
referring to
“INTERMITTENT AND
POOR CONNECTION”
in Section 0A.
Go to Step 5.
4
Check Transmission range sensor (switch) circuit
for operation.
Check by not using SUZUKI scan tool:
1) Turn ignition switch ON.
2) Check voltage at terminals E202-1, E202-2,
E202-8, E202-9, E202-20 and E202-21 respec-
tively with select lever shifted to each range.
Taking terminal E202-21 as an example, is battery
voltage indicated only when select lever is shifted
to “2” range and 0 V for other ranges as shown in
figure?
Check voltage at other terminals likewise, referring
to figure.
Are check results satisfactory?
Intermittent trouble.
Check for intermittent
referring to
“INTERMITTENT AND
POOR CONNECTION”
in Section 0A.
Go to Step 5.
5
Check select cable for adjustment referring to
“SELECT CABLE ADJUSTMENT” in this section.
Is it adjusted correctly?
Go to Step 6.
Adjust.
6
Check transmission range switch for installation
position.
1) Shift select lever to “N” range.
2) Check that “N” reference line on switch and
center line on shaft are aligned.
Are they aligned?
Go to Step 7.
Adjust.
7
Check transmission range sensor (switch)
referring to “TRANSMISSION RANGE SENSOR”
in this section.
Are check results satisfactory?
“YEL”, “ORN / GRN”,
“RED”, “ORN / BLU”,
“YEL / GRN”,
“GRN / ORN” or
“GRN / BLU” circuit
open or short.
If wires and
connections are OK,
substitute a known-
good TCM and
recheck.
Replace Transmission
range sensor.
Содержание GRAND VITARA XL-7
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