Pinpoint Tests RC: Exhaust Gas Temperature (EGT) Sensor: Introduction

WARNING: MANUAL REGENERATION OF THE DIESEL PARTICULATE FILTER CAUSES THE EXHAUST GAS TO GET VERY HOT QUICKLY. INITIATE A MANUAL REGENERATION ONLY WHEN THE VEHICLE IS ON THE GROUND WITH THE AREA AROUND THE TAILPIPE FREE OF PEOPLE, OBSTRUCTIONS, FOREIGN MATERIAL OR OTHER ITEMS. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY.

NOTE: Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.

This pinpoint test is intended to diagnose the following:

EGT sensor (5J213)
harness circuits: EGT11, EGT12, EGT13, EGT14, and SIGRTN

PCM (12A650)

EGT SENSOR TEMPERATURE AND RESISTANCE SPECIFICATION

Temperature		Temperature Sensor Value	EGT1x_VPID
°C	°F	Resistance (ohms)	(Volts)
1250	2282	975.81	2.432
1200	2192	951.86	2.401
1150	2102	927.32	2.369
1100	2012	902.2	2.335
1050	1922	876.49	2.299
1000	1832	850.2	2.261
950	1742	823.32	2.221
900	1652	795.86	2.179
850	1562	767.81	2.135
800	1472	739.18	2.089
750	1382	709.96	2.04
700	1292	680.16	1.989
650	1202	649.77	1.934
600	1112	618.8	1.877
550	1022	587.24	1.816
500	932	555.1	1.751
450	842	522.37	1.682
400	752	489.06	1.61
350	662	455.16	1.532
300	572	420.68	1.45
250	482	385.61	1.362
200	392	349.96	1.268
150	302	313.72	1.167
100	212	276.9	1.059
50	122	239.49	0.943
25	77	220.57	0.882
0	32	201.5	0.818
-40	-40	170.68	0.711

Fig 1: Exhaust Gas Temperature 11 (EGT11) Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
F-Series Super Duty	A	1 2	SIGRTN EGT11
All other vehicles	A	2 1	SIGRTN EGT11

Fig 2: Exhaust Gas Temperature 12 (EGT12) Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
F-Series Super Duty	A	1 2	SIGRTN EGT12
All other vehicles	A	2 1	SIGRTN EGT12

Fig 3: Exhaust Gas Temperature 13 (EGT13) Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
F-650/F-750	A	2 1	SIGRTN EGT13
All other vehicles	A	1 2	SIGRTN EGT13

Fig 4: Exhaust Gas Temperature Bank 1, Sensor 4 (EGT14) Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
F-650/F-750	A	2 1	SIGRTN EGT14
F-Series Super Duty	A	1 2	SIGRTN EGT14

Fig 5: Powertrain Control Module-B (PCM-B) Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
8	EGT13 (Exhaust Gas Temperature Bank 1, Sensor 3)

Fig 6: Powertrain Control Module-T (PCM-T) Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Transit	A	47 22 46	EGT12 EGT11 SIGRTN
All other vehicles	B	37 39 9 30 42	EGT14 EGT13 EGT12 EGT11 SIGRTN