I updated the code with things I have learned from internet but it doesn't work yet.
Code:
        @__CONFIG    _CONFIG1L, _PLLDIV_5_1L & _CPUDIV_OSC1_PLL2_1L & _USBDIV_2_1L
        @__CONFIG    _CONFIG1H, _FOSC_HSPLL_HS_1H & _FCMEN_OFF_1H & _IESO_OFF_1H
        @__CONFIG    _CONFIG2L, _PWRT_OFF_2L & _BOR_ON_2L & _BORV_3_2L & _VREGEN_ON_2L
        @__CONFIG    _CONFIG2H, _WDT_ON_2H & _WDTPS_512_2H
        @__CONFIG    _CONFIG3H, _CCP2MX_ON_3H & _PBADEN_OFF_3H & _LPT1OSC_OFF_3H & _MCLRE_OFF_3H
        @__CONFIG    _CONFIG4L, _STVREN_ON_4L & _LVP_OFF_4L & _XINST_OFF_4L


'LCD
DEFINE LCD_DREG PORTB 
DEFINE LCD_DBIT 4     
DEFINE LCD_RSREG PORTB
DEFINE LCD_RSBIT 1    
DEFINE LCD_EREG PORTB 
DEFINE LCD_EBIT 2     


'I2C
CMCON = 7
ADCON1 = 7
SCL VAR PORTA.2	
SDA VAR PORTA.3
i2c_read CON 1          'R/W configuration bit (1 = read)
i2c_write CON 0         'R/W configuration bit (0 = write)
i2c_out VAR BYTE        'data to sent over I2C bus
i2c_in  VAR BYTE[2]     'data received over I2C bus
i2c_ack VAR BIT         'acknowledgement bit
temp VAR WORD


    GOSUB Config_Register   'Set Configuration
    GOSUB Start_Convert     'Start continuous conversion


TOP:
    PAUSE 2000
    GOSUB Read_Temp    
    i2c_in[2] = i2c_in[1] >> 3 
    temp = (i2c_in[1]*1000) 
    LCDout $FE,1,#temp
    GOTO TOP            


Config_Register:        
    GOSUB I2C_START     
    i2c_out = %10010000                         
    GOSUB I2C_TX        
    i2c_out = $AC       
    GOSUB I2C_TX        
    i2c_out = $00       
    GOSUB I2C_TX        
    GOSUB I2C_STOP      
    RETURN
 
Start_Convert:          
    GOSUB I2C_START
    i2c_out = %10010000 
    GOSUB I2C_TX
    i2c_out = $EE       
    GOSUB I2C_TX
    GOSUB I2C_STOP
    RETURN
 
Read_Temp:              
    GOSUB I2C_START
    i2c_out = %10010000 
    GOSUB I2C_TX        
    i2c_out = $AA       
    GOSUB I2C_TX
    GOSUB I2C_START     
    i2c_out = %10010001 
    GOSUB I2C_TX        
    GOSUB I2C_RX        
    GOSUB I2C_STOP     
    RETURN


I2C_START:              
    HIGH SDA
    HIGH SCL
    LOW SDA
    LOW SCL
    RETURN
 
I2C_STOP:               
    LOW SDA
    HIGH SCL
    HIGH SDA
    PAUSE 1
    RETURN
 
I2C_RX:                           
    SHIFTIN SDA,SCL,0,[i2c_in[0]] 
    SHIFTOUT SDA,SCL,1,[%0\1]     
    SHIFTIN SDA,SCL,0,[i2c_in[1]] 
    SHIFTOUT SDA,SCL,1,[%1\1]     
    RETURN
 
I2C_TX:                           
    SHIFTOUT SDA,SCL,1,[i2c_out]   
    SHIFTIN SDA,SCL,0,[i2c_ack\1]           
    RETURN