Suzuki Grand Vitara 1998, Service Manual

Page: 443 / 801

YH4
GRAND
VITARA
AUTOMATIC TRANSMISSION (4 A / T) 7B1-41
C51-1
-18 C51-1
-17 C51-1
-16 C51-1
-15 C51-1
-28 C51-1
-27 G16/
J20
H25
C51-1-4 C51-1-3 C51-1-13 C51-1-12 C51-1-20 C51-1-19
Terminal
Select
lever
position
TROUBLESHOOTING (DTC P0705)
STEP ACTION YES NO
1 Was “A / T DIAG. FLOW TABLE” performed? Go to Step 2. Go to “A / T DIAG.
FLOW TABLE”.
2 Check Transmission Range Switch (Sensor) Circuit for
Operation.
When 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?
When not using SUZUKI scan tool:
1) Turn ignition switch ON.
2) Check voltage at terminals C51-1-15, C51-1-16,
C51-1-17, C51-1-18, C51-1-27 and C51-1-28 for
G16/J20 (C51-1-4, C51-1-3, C51-1-13, C51-1-12,
C51-1-20 and C51-1-19 for H25) respectively with
select lever shifted to each range.
Taking terminal C51-1-28 for G16/J20 (C51-1-20 for
H25) 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 “Intermit-
tent and Poor
Connection” in
section 0A. Go to Step 3.
3 Check Select Cable for Adjustment referring to “Select
Cable Adjustment” in this section.
Is it adjusted correctly? Go to Step 4. Adjust.
4 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 5. Adjust.
5 Check Transmission Range Switch (Sensor) referring
to “Transmission Range Switch” in this section.
Are check results satisfactory? “Y”, “Or / G”, “R”,
“Or / Bl”, “Y / G”,
“G / Or” or “G / Bl”
circuit open or short.
If wires and
connections are OK,
substitute a known-
good PCM and
recheck. Replace TR switch.
Fig. for Step 2.