Inspections Based On Diagnosis Codes; Multi-Use Tester Service Data; Actuator Tests Performed Using Multi-Use Tester; Inspections Performed At Electronic Control Unit Connectors - Mitsubishi 6M70 Workshop Manual

EXHAUST GAS RECIRCULATION SYSTEM

4. Multi-Use Tester Service Data

• It is possible to see service data and actuator tests simultaneously.
No. Item
20 Actual EGR Position
2B Intake Air Temperature
89 EDU Power Relay

5. Actuator Tests Performed Using Multi-Use Tester

• It is possible to see service data and actuator tests simultaneously.
No. Item
A0 EGR 1
A1 EGR 2
A3 EGR 3
AC EDU Relay

6. Inspections Performed at Electronic Control Unit Connectors

• These inspections aid troubleshooting by enabling you to check whether electronic control unit signals are being
correctly transmitted via the vehicle harness and connectors.
The white-on-black numbers (
section "3. Inspections Based on Diagnosis Codes".
17-14
Data
Perform actuator test
.
[Actuator test] A1: EGR 1
°C
. On a cold engine
Starter switch ON
ON/OFF Starter switch OFF
[Actuator test] B2: EDU relay
Explanation
Maintain exhaust gas recirculation valve 1 opening indicated
by Multi-Use Tester.
[Can be executed when the following conditions are satisfied]
• Vehicle: stationary (vehicle speed 0 km/h)
• Starter switch: ON
• Engine: stopped
ON/OFF switchover of electronic drive unit relay
(automatically reset after 15 seconds)
[Can be executed when the following conditions are satisfied]
• Vehicle: stationary (vehicle speed 0 km/h)
• Starter switch: ON
• Engine: stopped
, , and so on) correspond to the similarly printed reference numbers in
01 02
Inspection condition Requirement
Position as commanded by
actuator test
Equal to ambient tempera-
ture
ON
OFF
Confirmation method
Actual position of service
data matches target value
commanded by actuator
test
[Service data]
20: Actual EGR Position
Operating sound of elec-
tronic drive unit relay
[Service data]
89: EDU Power Relay