COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S201
9Y3200007CRS0289US0
1. Check the GLRY Signal
1. Run the engine until the coolant temperature is 10 °C (50 °F) or
higher.
2. Check the "Glow relay" data with the data monitor.
3. After disconnecting the connector (2) of coolant temperature
sensor and connect the dummy resistor (1) as shown in the left
figure, and turn the key switch ON.
Dummy Resistor: 15 to 25 kΩ [Comparable to Approx. –30 to
–20 °C (Approx. –22 to –5 °F)]
4. Check the "Glow relay" data with the data monitor.
9Y3200007CRS0290US0
(1) Terminal +B
(2) Terminal MAHR
(3) Terminal GRLY
(4) Terminal GND
(a) Fuse
(b) Air Heater (Glow) Relay
(c) Engine ECU Connector 2
(Machine Side)
(d) Engine ECU
A: To Main Air Heater (Glow)
Relay
Service
specification
OFF
Service
specification
ON
OK Normal.
NG Go to "2. Check the Wiring Harness / Connector".
(1) Dummy Resistor
(2) Connector
(a) Coolant Temperature Sensor
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