Suzuki Wagon R Manual page 3700

Test
T27 Tester Display – Knock Control
• Ignition ON
• Engine OFF
• All consumers turned off
• Engine running at idle speed, operating temperature
• Accelerator pedal not actuated
• Accelerator pedal briefly actuated to full load stop
NOTE:
• This test will only function, if the accelerator pedal is
depressed briefly to full load stop once, not several times in a
row.
• Even if the instructions given in the checking procedure are
followed closely, the scan tool may not indicate a signal
change.
Concerned Terminals:
C36-20, C36-52
Yes: T28
T28 Tester Display – O2S Heater B1 S1 (Bank 1 Sensor 1)
• Engine running at idle speed, operating temperature
• All consumers turned off
• Accelerator pedal not actuated
Concerned Terminals:
C36-49
Yes: T29
T29 Tester Display – O2S B1 S1 (Bank 1 Sensor 1)
• Engine running at idle speed, operating temperature
• All consumers turned off
• Accelerator pedal not actuated
Concerned Terminals:
C36-8, C36-25
Yes: T30
T30 Tester Display – A/F ratio B1 S1 (Bank 1 Sensor 1)
• Engine running at idle speed, operating temperature
• All consumers turned off
• Accelerator pedal not actuated
Concerned Terminals:
C36-8, C36-25
Yes: T31
T31 Tester Display – O2S Heater B1 S2 (Bank 1 Sensor 2)
• Engine running at idle speed, operating temperature
• All consumers turned off
• Accelerator pedal not actuated
Concerned Terminals:
C36-35
Yes: T32
ENGINE GENERAL INFORMATION AND DIAGNOSIS (Z10XEP AND Z12XEP ENGINES) 6-4-19
Work Order Description Nominal Value
Inactive
Inactive
Active
Value changing briefly
No: C-25
Active
Value changing briefly
No: C-28
50 – 950 mV
Sensor signal alternates
between high and low volt-
age range
No: C-29
LEAN and RICH
Value changing briefly
No: C-29
Active
Value changing briefly
No: C-30