Toyota 1 MZ–FE Manual page 303

1MZ–FE ENGINE – SFI SYSTEM
EGR GAS TEMPERATURE SENSOR
EGR GAS TEMPERATURE SENSOR
INSPECTION
1. DISCONNECT NEGATIVE (–) TERMINAL CABLE
FROM BATTERY
CAUTION: Work must be started after 90 seconds from
the time the ignition switch Is turned to the 'LOCK'
position and the negative (–) terminal cable is discon–
nected from the battery.
2. REMOVE NO.2 EGR PIPE
Remove the 4 nuts, EGR pipe and 2 gaskets.
3. DISCONNECT EGR GAS TEMPERATURE SENSOR
CONNECTOR AND CLAMP
4. REMOVE EGR VALVE AND VACUUM MODULATOR
ASSEMBLY
(a) Disconnect the following hoses:
(1) Vacuum hose from port P of EGR vacuum
modulator
(2) Vacuum hose from port Q of EGR vacuum
modulator
(3) Vacuum hose from port R of EGR vacuum
modulator
(4) Vacuum hose from EGR valve
(b) Remove the 3 nuts, EGR valve and vacuum modulator
assembly and gasket.
EG2–303