Doosan D60S-5 - Page 97

Operation Section
96
Table a. MI-04 Diagnostic Fault Codes (Flash Codes)
DFC Probable Fault Action Corrective Action, First Check
34 MapSensorInputHigh
TMAP sensor failure or shorted
circuit
Disable Throttle
Check TMAP connector and MAP
signal wiring for a shorted circuit
37 IATSensorInputLow
TMAP sensor failure or shorted
circuit
Stored Fault Code
(MIL Only)
Check TMAP connector and IAT
signal wiring for a shorted circuit
38 IATSensorInputHigh
IAT signal disconnected, open
circuit or sensor malfunction
Stored Fault Code
(MIL Only)
Check TMAP connector and IAT
signal wiring for an open circuit
TMAP PIN 2 to SECM PIN 4
(SIGNAL)
TMAP PIN 1 to SECM PIN 1 (GND)
TMAP PIN 3 to SECM PIN 18
(XDCR +5VDC)
To check the IAT sensor of the
TMAP disconnect the TMAP
connector and measure the IAT
resistance
*See the IAT table in Chapter 6.0
42 EST1Low
Coil driver signal low or
under-current
Stored Fault Code
(MIL Only)
Check coil driver wiring and
connector for shorts
SECM PIN 7(EST1) to COIL PIN A
Verify GND on COIL PIN B
Verify GND on COIL PIN C
Verify GND on COIL PIN D
Verify +12vdc on COIL PIN E
To check the Smart Coil internal
circuit disconnect the coil connector
and measure the resistance from
pin to pin
*See Smart Coil resistance check in
Chapter 6.0
43 EST1High
Coil driver signal high or
over-current
Stored Fault Code
(MIL Only)
Check coil driver wiring for an open
circuit or disconnected connector