Suzuki Wagon R Manual page 3703

6-4-22 ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES)
B-03: Connect Scan Tool and Establish Communication
Update the diagnostic software for SUZUKI scan tool referring to "Tech2 Programing Manual" in case that the
diagnosis can not be performed due to the old diagnostic software. In case that the diagnosis can not be per-
formed even though the diagnostic software whose version is appropriate, is used, go to "C-01 No Communica-
tion between Scan Tool and Control Module".
B-04: Symptom Chart / Customer Complaint
Test
T01 Check: symptom/customer Complaint Match
Select the suitable symptom group, which fits the complaint.
• Refer to Table B-05 Complaint: Engine Start
• Refer to Table B-06 Complaint: Engine Operation
Yes: –
B-05: Complaint: Engine Start
Customer complaint
Engine does not start, starter runs
normal
B-06: Complaint: Engine Operation
Customer complaint
Engine running irregular (at low
speed)
Work Order Description
Perform the following tests in the given order until a defective component
is found.
• Refer to Table B-02 Data List T12 Engine Speed
• Refer to Table B-12 Actuator Test T02 Ignition Coil Cylinder 1 Test
• Refer to Table B-12 Actuator Test T03 Ignition Coil Cylinder 2 Test
• Refer to Table B-12 Actuator Test T04 Ignition Coil Cylinder 3 Test
• Refer to Table B-12 Actuator Test T05 Ignition Coil Cylinder 4 Test
• Refer to Table B-10 Fuel System
• Refer to Table B-11 Mechanical Function Check
The following test steps must be performed in the given order. If a fault is
found in one test step, the subsequent test steps can be skipped.
• Refer to Table B-02 Data List T14 MAF
• Refer to Table B-02 Data List T15 Coolant Temp
• Refer to Table B-02 Data List T17 Port Deactivation Position Sensor
• Refer to Table B-02 Data List T25 EGR Position Sensor
• Refer to Table B-02 Data List T26 Fuel Tank Ventilation Valve
• Refer to Table B-02 Data List T13 Desired Idle
• Refer to Table B-02 Data List T29 O2S B1 S1
• Refer to Table B-02 Data List T32 O2S B1 S2
• Refer to Table B-12 Actuator Test T06 EGR Solenoid Test
• Refer to Table B-08 Check: Intake - Air System
• Refer to Table B-10 Fuel System
Nominal Value
No: –
Remedy
Remedy