Suzuki Grand Vitara 2011 Manual page 1547

DTC No. Trouble Area
B1551 Serial communication circuit
B1552 malfunction
CAN communication circuit
B1553
malfunction
Camshaft position (CMP)
B1556 sensor and/or its circuit
malfunction
Vehicle speed sensor and/
B1557
or its circuit malfunction
Engine coolant temperature
B1561 sensor and/or its circuit
malfunction
Outside air temperature
B1562 sensor and/or its circuit
malfunction
When ignition switch is turned
ON after malfunction is already
detected
HVAC control module keeps
condition just before malfunction is
detected.
HVAC control module keeps
condition just before malfunction is
detected.
HVAC control module keeps
condition just before malfunction is
detected.
HVAC control module keeps
condition just before malfunction is
detected.
HVAC control module keeps
condition just before malfunction is
detected.
Air Conditioning System:
Fail-Safe Operation
When malfunction is detected
during ignition switch is ON
HVAC control module controls
actuators assuming that as follows.
• Outside air temperature is 20 °C (68
°F).
• Engine coolant temperature is 90 °C
(194 °F).
• Vehicle speed is 0 km/h (0 mph).
• Engine speed is 0 rpm.
HVAC control module controls
actuators assuming that amount of
engine speed is 0 rpm.
HVAC control module controls
actuators assuming that amount of
vehicle speed is 0 km/h (0 mph).
HVAC control module controls
actuators assuming that amount of
engine coolant temperature is 90 °C
(194 °F).
HVAC control module controls
actuators assuming that amount of
outside air temperature is 20 °C (68
°F).
7B-22