Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL VACUUM PUMP ASSEMBLY
(a) Apply engine oil to the 2 O-rings on the vacuum pump assembly.
(b) Apply engine oil to the inner surface of the installation hole.
(c) Install the vacuum pump assembly so that the oil pipe engages with the hole of the camshaft and the coupling teeth with the grooves on the camshaft tip.
NOTICE:
(d) Install the vacuum pump assembly to the engine assembly with the 3 bolts in the order shown in the illustration. Torque: 21 N·m {214 kgf·cm, 15 ft·lbf} NOTICE: After installation, check that there are no gaps between the matching surfaces and that the vacuum pump assembly is no installed at an angle. |
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2. INSTALL NO. 2 WATER BY-PASS PIPE
(a) Install the No. 2 water by-pass pipe with the 2 bolts.
Torque:
10 N·m {102 kgf·cm, 7 ft·lbf}
3. CONNECT UNION TO CHECK VALVE HOSE
(a) Connect the union to check valve hose and slide the clip to secure it.
4. INSTALL V-BANK COVER SUB-ASSEMBLY
5. INSPECT VACUUM PUMP OPERATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. OPERATION CHECK
(a) Remove the V-bank cover sub-assembly.
(See page )
(b) Slide the clip and disconnect the union to check valve hose from the vacuum pump assembly.
(c) Connect the hose of the vacuum gauge to the vacuum pump assembly.
(d) Start the engine and warm it up for more than 2 minutes.
(e) With the engine idling, check the negative pressure of the vacuum pump.
Standard pressure:
More than 90.0 kPa (675 mmHg, 26.6 in.Hg)
HINT:
The vacuum pump assembly is listed as one of the 200000 km (124000 mile) maintenance parts. Make sure to disassemble and inspect it every 200000 km (124000 miles) and replace parts as necessary.
(f) Remove the vacuum gauge from the vacuum pump assembly.
(g) Connect the union to check valve hose to the vacuum pump assembly and slide the clip to secure it.
(h) Install the V-bank cover sub-assembly.
(See page )
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
The vacuum pump assembly is listed as one of the 200000 km (124000 mile) maintenance parts. Make sure to disassemble and inspect it every 200000 km (124000 miles) and replace parts as necessary.
PROCEDURE
1. REMOVE V-BANK COVER SUB-ASSEMBLY
2. DISCONNECT UNION TO CHECK VALVE HOSE
(a) Slide the clip and disconnect the union to check valve hose. |
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3. SEPARATE NO. 2 WATER BY-PASS PIPE
(a) Remove the 2 bolts and separate the No. 2 water by-pass pipe. |
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4. REMOVE VACUUM PUMP ASSEMBLY
(a) Remove the 3 bolts and vacuum pump assembly from the engine assembly. HINT: If there are any oil leaks or any O-ring is damaged, replace the vacuum pump assembly with a new one. |
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Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR DTC
HINT:
When using the Techstream with the engine switch off to troubleshoot:
Connect the Techstream to the DLC3 and turn a courtesy light switch on and off
at 1.5-second intervals until communication between the Techstream and vehicle begins.
(a) Connect the ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Vehicle Speed Sensor Circuit (C1AA3)
DESCRIPTION
The forward recognition camera receives vehicle speed signals from the skid control
ECU. If the skid control ECU receives a vehicle speed sensor malfunction signal,
it informs the forward recognition camera via CAN communication, and DTC C1AA3 is
stored.
DTC No.
...