Dtc No. 11: Communication Error With Steering Lock Unit - Suzuki Grand Vitara 2011 Manual

Step
2 Power supply circuit check
1) Disconnect connector from keyless start control module.
2) Check for proper connection to "Power source", "ACC
signal" and "IG ON signal" terminal of keyless start
control module connector.
3) If OK, measure voltage between following terminals.
• "Power source" terminal of keyless start control
module connector and vehicle body ground with
ignition switch is at OFF position
• "ACC signal" terminal of keyless start control module
connector and vehicle body ground with ignition
switch is at ACC position
• "IG ON signal" terminal of keyless start control module
connector and vehicle body ground with ignition
switch is at ON position
Is each terminal voltage is 10 – 14 V?
3 Ground circuit check
1) Check for proper connection to "Ground" terminal of
keyless start control module connector.
2) If OK, measure resistance between "Ground" terminal of
keyless start control module connector and vehicle body
ground.
Ω
Is resistance 1 or less?

DTC No. 11: Communication Error with Steering Lock Unit

Wiring Diagram
2
5V
[A]: Keyless start control module connector (viewed from harness side)
1. Keyless start control module
2. Steering lock unit
Action
5V
G22-3
G22-7
G22-8
[A]
20 19 18 16 15 14
37 36 34 33 32
Go to Step 3.
Power and ground
circuit is in good
condition.
3
ORN
4
BRN/YEL
5
BLK/YEL
G44
11 10 9 8 7 6 5 4 3
30 29 24 23
3. Steering lock unit power supply circuit
4. Steering lock unit signal circuit
5. Steering lock unit ground circuit
Keyless Start System:
Yes
Repair defective power
supply circuit.
Repair ground circuit.
1
5V
G44-20
5V
G44-29
G44-30
2 1
10E-25
No
S6JB0AA504017
I7JB01A50004-01