Iat Sensor Inspection; Cmp Sensor Removal And Installation; Cmp Sensor Inspection - Suzuki DF70A Service Manual

IAT Sensor Inspection

1) Remove the IAT sensor.
Refer to "IAT Sensor Removal and Installation"
(Page 1C-10).
2) Immerse temperature sensing part of IAT sensor in
water.
3) Measure resistance between sensor terminals while
heating water gradually.
4) If measured resistance does not change in the
proportion indicated, replace sensor.
IAT sensor specification
Water
temperature: 0 (32)
°C (°F)
Resistance
5.3 – 6.6 1.8 – 2.3
(kΩ)
1
2
1. Thermometer
5) Reinstall the IAT sensor.
Refer to "IAT Sensor Removal and Installation"
(Page 1C-10).
Z9J0111306009
25 (77) 50 (122) 75 (135)
0.73 – 0.33 –
0.96 0.45
I9J011130007-03
2. Heater
Temperature
I9J011130008-02
Engine Electrical Devices:

CMP Sensor Removal and Installation

Removal
1) Disconnect the CMP sensor lead wire connector at
sensor.
2) Remove the bolt and CMP sensor (1).
Installation
Installation is reverse order of removal.
• Install CMP sensor, then tighten mounting screw
securely.
• Connect sensor lead wire connector to CMP sensor.

CMP Sensor Inspection

1) Turn ignition switch OFF.
2) Remove the bolt and CMP sensor.
3) Connect the 36-pin test cord set between ECM and
wire harness as shown in figure.
Special tool
(A): 09930–88730 (36-pin test cord set)
(A)
2
37 38 39 40 41 42 43 44 45 46 47 48 49 55 56 57 58 59 60 61 62 63 64 65 66 67
50 51 52 53 54 68 69 70 71 72
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16
1
1. Wire harness
2. White connector
4) Connect the tester probe ("+", Red) to No. 40
terminal.
5) Connect the tester probe ("–", Black) to No. 25
terminal (or to body ground).
Special tool
: 09930–99320 (Digital tester)
1C-11
Z9J0111306010
1
I9J011130046-01
Z9J0111306011
ECM
(A)
3
19 20 21 22 23 24 25 26 27 28 29 30 31
17 18
32 33 34 35 36
I9J011130052-02
3. Black connector