Suzuki GRAND VITARA JB416, Service Manual

Page: 471 / 474

Keyless Start System: 10E-15
DTC No. 33: Control Module Communication Bus Off
S5JB0EA504021
Wiring Diagram
Refer to “DTC No. 31: Lost Communication with BCM: ”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTC referring to “DTC Clearance: in related manual”.
2) Start engine and run it for 1 min. or more.
3) Check DTC referring to “DTC Check: ”.
Troubleshooting
DTC detecting condition Trouble area
Communication is not available with all control
modules connected by CAN • CAN communication circuit
• Combination meter
• Keyless start control module
• BCM
• 4WD control module (if equipped)
• ABS or ESP
®
control module
• TCM (A/T model)
• ECM
• Steering angle sensor (if equipped)
Step Action Yes No
1 Was “Keyless Start System Check” performed? Go to Step 2. Go to “Keyless Start
System Check: in
related manual”.
2 Control module connector check
1) Check connection of connectors of all control modules
communicating by means of CAN.
2) Recheck keyless start control module for DTC.
Is DTC No. 33 detected?
Go to Step 3. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection: in Section
00 in related manual”.
3 CAN communication circuit check
1) Turn ignition switch to OFF position.
2) Disconnect connectors of all control modules
communicating by means of CAN.
3) Check CAN communication circuit between control
modules for open, short and high resistance.
Is each CAN communication circuit in good condition?
Go to Step 4. Repair circuit.