Suzuki Wagon R Plus RB310, Service Manual

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AUTOMATIC TRANSAXLE (M13 ENGINE) 7B1-51
Troubleshooting
Step Action Yes No
1 Was “Automatic Transaxle Diagnostic Flow Table”
performed? Go to Step 2. Go to “Automatic Tran-
saxle 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 “E12-1”, “E12-7”,
“E12-8”, “E12-18”, “E12-19” and “E12-20”
respectively with select lever shifted to each
range.
Taking terminal E12-19 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
table below?
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 transmission range sensor for installation
position.
1) Shift select lever to “N” range.
2) Check that “N” reference line on sensor and
needle direction shaped on lock washer are
aligned.
Are they aligned?
Go to Step 7. Adjust.
6 Check select cable for adjustment referring to
“Select Cable Adjustment” in this section.
Is it adjusted correctly? Go to Step 6. Adjust.
7 Check Transmission range sensor(switch) referring
to “Transmission Range Sensor” in this section.
Are check results satisfactory? “YEL”, “ORN”, “RED”,
“BUL/YEL”, “GRN/RED”,
“GRN” or “GRN/BLK” cir-
cuit shorted to power cir-
cuit or shorted each other.
If wires and connections
are OK, substitute a
know-good TCM and
recheck. Replace Transmission
range sensor.