|
PID Name
(Definition)
|
Unit/Condition
|
Condition/Specification
(Reference)
|
Action
|
Water Heater Unit terminal
|
|
CCNTFFH
(Number of continuous codes)
|
-
|
• DTC is detected: 1-255
• DTC is not detected: 0
|
Perform inspection using appropriate DTC.
|
-
|
|
ECT
(Engine coolant temperature)
|
°C
|
°F
|
• ECT 20 °C {68 °F}: 20 °C {68 °F}
• ECT 60 °C {140 °F}: 60 °C {140 °F}
|
-
|
-
|
|
VPWR_FFH
(Module supply voltage)
|
V
|
• Ignition switch ON: B+
|
Inspect water heater unit power supply terminal.
|
A
|
|
VPWR_LMT
(Low voltage threshold)
|
V
|
• Ignition switch ON: approx. 9.5 V
|
Inspect water heater unit power supply terminal.
|
A
|
|
FAN
(Fan control)
|
%
|
• Blower fan is not operating: 0 %
• Blower fan is operating: 0-100 %
|
-
|
-
|
|
GPD
(Glow plug duty cycle)
|
%
|
• Water heater unit is not operating: 0 %
• Water heater unit is operating: 0-100 %
|
-
|
-
|
|
BLOWRMTR
(Blower motor)
|
On/Off
|
• Blower fan is not operating: Off
• Blower fan is operating: On
|
-
|
-
|
|
FP
(Fuel pump)
|
On/Off
|
• Water heater unit is not operating: Off
• Water heater unit is operating: On
|
-
|
-
|
|
WATER_PMP
(Water pump)
|
On/Off
|
• Water heater unit is not operating: Off
• Water heater unit is operating: On
|
-
|
-
|
|
GLOW PLUG
(Glow plugs)
|
On/Off
|
• Water heater unit is not operating: Off
• Water heater unit is operating: On
|
-
|
-
|
|
COMB_FAN
(Combustion air fan)
|
On/Off
|
• Water heater unit is not operating: Off
• Water heater unit is operating: On
|
-
|
-
|
|
LOCKPUT
(Heater lockout)
|
Lock/Unlock
|
• Water heater unit is not operating: Lock
• Water heater unit is operating: Unlock
|
-
|
-
|
|
FS
(Flame sensor)
|
On/Off
|
• Water heater unit is not operating: Off
• Water heater unit is operating: On
|
-
|
-
|
|
HEATER
(Heater status)
|
Inactive/Active
|
• Water heater unit is not operating: Inactive
• Water heater unit is operating: Active
|
-
|
-
|
|
HEATER_SW
(Heater activation switch)
|
Inactive/Active
|
• Water heater unit is not operating: Inactive
• Water heater unit is operating: Active
|
-
|
-
|