Suzuki Grand Vitara 2011 Manual page 250

1A-181 Engine General Information and Diagnosis: For Petrol Engine Model
Step
8 DTC check in ECM
1) Disconnect connectors from TCM (for A/T model) with
ignition switch turned OFF.
2) Check ECM for DTC.
Is there DTC P1674?
9 DTC check in ECM
1) Disconnect connector from keyless start control module
(if equipped) with ignition switch turned OFF.
2) Check ECM for DTC.
Is there DTC P1674?
10 DTC check in ECM
1) Disconnect connector from combination meter with
ignition switch turned OFF.
2) Check ECM for DTC.
Is there DTC P1674?
11 DTC check in ECM
1) Disconnect connector from 4WD control module (if
equipped) with ignition switch turned OFF.
2) Check ECM for DTC.
Is there DTC P1674?
12 DTC check
1) Disconnect connector from steering angle sensor
(vehicle equipped with ESP® control module) with
ignition switch turned OFF.
2) Check ECM for DTC.
Is there DTC P1674?
Action Yes
Go to Step 9.
Go to Step 10.
Go to Step 11.
Go to Step 12.
Go to Step 13.
No
CAN communication
circuit wire between
TCM and CAN circuit
junction connector is
open or high resistance.
If wires are OK,
substitute a known-
good TCM (for A/T
model) and recheck.
CAN communication
circuit wire between
keyless start control
module and CAN circuit
junction connector is
open or high resistance.
If wires are OK,
substitute a known-
good keyless start
control module and
recheck.
CAN communication
circuit wire between
combination meter and
CAN circuit junction
connector is open or
high resistance. If wires
are OK, substitute a
known-good
combination meter or
keyless start control
module (if equipped)
and recheck.
CAN communication
circuit wire between
4WD control module
and CAN circuit junction
connector is open or
high resistance. If wires
are OK, substitute a
known-good 4WD
control module and
recheck.
CAN communication
circuit wire between
steering angle sensor
and CAN circuit junction
connector is open or
high resistance. If wires
are OK, check steering
angle sensor power and
ground circuits. If
circuits are OK,
substitute a known-
good steering angle
sensor and recheck.