Suzuki 2006 SX4, Service Manual

Page: 1467 / 1478

Keyless Start System: 10E-23
DTC No. 11: Communication Error with Steering Lock Unit
S6RW0CA504017
Wiring Diagram
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?
Go to Step 3. Repair defective power
supply circuit.
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.
Is resistance 1
Ω
or less?
Power and ground
circuit is in good
condition. Repair ground circuit.
Step Action Yes No
5V
G16-20
G16-29
G16-30
G146-3
G146-7
G146-8
1 2 3 4 5 6 7 8 9 10 11 14 15 16
36
34 33 32 30 29 24 23 37
18 19 20
5V
5V
BRN
BRN/YEL
BLK/YEL
5V
2
1
[A]
G16
3
4
5
I7RW01A50007-02
[A]: Keyless start control module connector (viewed from harness side) 3. Steering lock unit power supply circuit
1. Keyless start control module 4. Steering lock unit signal circuit
2. Steering lock unit 5. Steering lock unit ground circuit