Suzuki GRAND VITARA Owner's Manual page 230

1A-175 Engine General Information and Diagnosis:
Step
15 CAN communication line circuit continuity check
1) Measure resistance at following connector terminals.
• Between "E23-4" terminal of ECM connector and
"E03-10" terminal of ABS hydraulic unit / control
module connector
• Between "E23-19" terminal of ECM connector and
"E03-8" terminal of ABS hydraulic unit / control
module connector
• Between "E03-12" terminal of ABS hydraulic unit /
control module connector and each "G31-1" terminal
of BCM connector, "E91-22" terminal of 4WD control
module connector (for J20 engine), "E92-17" terminal
of TCM connector (for A/T model), "G44-19" terminal
of keyless start control module connector (if
equipped), "G28-10" terminal of combination meter
connector
• Between "E03-6" terminal of ABS hydraulic unit /
control module connector and each "G31-3" terminal
of BCM connector, "E91-23" terminal of 4WD control
module connector (for J20 engine), "E92-7" terminal
of TCM connector (for A/T model), "G44-18" terminal
of keyless start control module connector (if
equipped), "G28-8" terminal of combination meter
connector
• Between "G31-2" terminal of BCM connector and
"RED" wire terminal of DLC
• Between "G31-4" terminal of BCM connector and
"WHT" wire terminal of DLC
Is each resistance below 1
16 CAN communication line circuit ground short check
1) Measure resistance at following connector terminals.
• Between "E23-4" terminal of ECM connector and
vehicle body ground
• Between "E23-19" terminal of ECM connector and
vehicle body ground
• Between "E03-12" terminal of ABS hydraulic unit /
control module connector and vehicle body ground
• Between "E03-6" terminal of ABS hydraulic unit /
control module connector and vehicle body ground
• Between "G31-2" terminal of BCM connector and
vehicle body ground
• Between "G31-4" terminal of BCM connector and
vehicle body ground
Is each resistance infinity?
Action
Ω
?
Yes
Go to Step 16.
Go to Step 17.
No
Repair open or high
resistance of CAN
communication line
circuit referring to
"Precaution for CAN
Communication
System: in Section 00".
Repair short to ground
of CAN communication
line circuit referring to
"Precaution for CAN
Communication
System: in Section 00".