Brake Interlock System Description; A/T Diagnosis General Description; On-Board Diagnostic System Description - Suzuki Grand Vitara Manual

Brake Interlock System Description

Shift Lock Solenoid Control
This system consists of shift lock solenoid control
system and interlock cable control system.
The shift lock solenoid control system is so designed
that the select lever can not be shifted from "P" range
position unless the ignition switch is turned ON and the
brake pedal is depressed. And the interlock cable control
system is so designed that the select lever cannot be
shifted from "P" range position unless the ignition switch
is turned to ACC or ON position. Also, the ignition key
cannot be pulled out of the key slot unless the select
lever is in "P" range.

A/T Diagnosis General Description

This vehicle is equipped with an electronic transmission
control system, which control the automatic shift up and
shift down timing, TCC operation, etc. suitably to vehicle
driving conditions.
TCM has an On-Board Diagnosis system which detects
a malfunction in this system and abnormality of those
parts that influence the engine exhaust emission.
When diagnosing a trouble in the transmission including
this system, be sure to have full understanding of the
outline of "On-Board Diagnostic System Description: "
and each item in "Precautions in Diagnosing Trouble: "
and execute diagnosis according to "A/T System Check:
" to obtain correct result smoothly.
NOTE
There are two type of On-Board Diagnostic
System, vehicle without engine diagnosis
connector (1) and vehicle with engine
diagnosis connector, depending on vehicle
specifications. Identify the type of system for
vehicle being serviced by whether the vehicle
equipped with engine diagnosis connector
on main harness or not.
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S5JB0A5101005
S5JB0A5101006

On-Board Diagnostic System Description

For Vehicle without Engine Diagnosis Connector
For automatic transmission control system, TCM has the
following functions. Refer to "Inspection of TCM and Its
Circuits: ".
• When the ignition switch is turned ON with the engine
at a stop, malfunction indicator lamp (MIL) (1) turns
ON to check the bulb of the MIL.
• When TCM detects a malfunction in A/T control
system TCM desires turning on malfunction indicator
lamp (MIL) and stores malfunction DTC in TCM
memory.
(If it detects that continuously 3 driving cycles are
normal after detecting a malfunction, however, it
makes MIL turn OFF although DTC stored in its
memory will remain.)
• It is possible to communicate through DLC (2) by
using not only SUZUKI scan tool (3) but also OBD
generic scan tool. (Diagnostic information can be
checked and erased by using a scan tool.)
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Automatic Transmission/Transaxle:
1
5A-11
I5JB0A510010-01
S5JB0A5101007