wsm M7060 - Page 549

ELECTRICAL SYSTEM
M6060, M7060, WSM
8-S40
Checking Engine Oil Pressure Switch
1. Measure the resistance with an ohmmeter across the switch
terminal and the chassis.
2. If 0 ohm is not indicated in the normal state, the switch is faulty.
3. If infinity is not indicated at pressure over 50 kPa (0.5 kgf/cm
2
,
7 psi), the switch is faulty.
9Y1210828ELS0121US0
Exhaust Temperature Sensor
1. Remove the exhaust temperature sensor.
2. Measure the resistance between terminal (+) and (−).
9Y1210828ELS0066US0
Coolant Temperature Sensor
1. Measure the resistance between terminal (+) and (−).
9Y1210828ELS0067US0
Resistance
(Switch terminal –
Chassis)
In normal state 0 Ω
At pressure over approx.
50 kPa (0.5 kgf/cm
2
, 7 psi)
Infinity
(1) Engine Oil Pressure Switch
Exhaust
temperature
sensor 0, 1, 2
Reference value
20 °C
(68 °F)
Approx. 150 Ω
200 °C
(392 °F)
Approx. 4 kΩ
(1) Exhaust Temperature Sensor 0
(2) Exhaust Temperature Sensor 1
(3) Exhaust Temperature Sensor 2
Coolant
temperature
sensor
resistance
Factory
specification
110 °C
(230 °F)
Approx. 141.7 Ω
80 °C
(176 °F)
Approx. 318 Ω
20 °C
(68 °F)
Approx. 2.45 kΩ
−20 °C
(−4 °F)
Approx. 15.04 kΩ
(1) Coolant Temperature Sensor
KiSC issued 08, 2013 A