Inspection Procedure

1. Check for DTCs in the CAN communication system (See HOW TO PROCEED WITH TROUBLESHOOTING ).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

B: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

A: Go to next step. 

1. Connect the intelligent tester (with CAN VIM) to the DLC3.
2. Turn the engine switch on (IG).
3. Read the DATA LIST.

   MIRROR: 

   DIAGNOSTIC NOTE CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   FP SET MEMORY	Front passenger side SET memory switch / ON or OFF	ON: Front passenger side SET memory switch is ON OFF: Front passenger side SET memory switch is OFF	-
   FP MEM 1 SW	Front passenger side memory switch 1 / ON or OFF	ON: Front passenger side M1 memory switch is ON OFF: Front passenger side M1 memory switch is OFF	-
   FP MEM 2 SW	Front passenger side memory switch 2 / ON or OFF	ON: Front passenger side M2 memory switch is ON OFF: Front passenger side M2 memory switch is OFF	-

   OK: On the tester screen, each item changes between ON and OFF according to the above chart. 

NG: Go to step 3 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

1. Remove the seat memory switch RH (See REMOVAL  ).
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Switch Position	Specified Condition
   H7-1 (E) - H7-2 (MRY)	SET switch is pressed	Below 1 Ω
   	SET switch is not pressed	10 kΩ or higher
   H7-1 (E) - H7-3 (M2)	M2 switch is pressed	Below 1 Ω
   	M2 switch is not pressed	10 kΩ or higher
   H7-1 (E) - H7-4 (M1)	M1 switch is pressed	Below 1 Ω
   	M1 switch is not pressed	10 kΩ or higher

Fig 1: Identifying Seat Memory Switch RH

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE SEAT MEMORY SWITCH RH 

OK: Go to next step. 

1. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   H7-1 (E) - Body ground	Always	Below 1 Ω
   H7-1 (E) - H7-2 (MRY)	Always	10 kΩ or higher
   H7-1 (E) - H7-3 (M2)	Always	10 kΩ or higher
   H7-1 (E) - H7-4 (M1)	Always	10 kΩ or higher

Fig 2: Checking Harness And Connector (Seat Memory Switch RH Circuit)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 5 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

1. Disconnect the outer mirror control ECU RH connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   E65-27 (M2) - H7-3 (M2)	Always	Below 1 Ω
   E65-28 (M1) - H7-4 (M1)	Always	Below 1 Ω
   E65-29 (MM) - H7-2 (MRY)	Always	Below 1 Ω
   E65-30 (MSWE) - H7-1 (E)	Always	Below 1 Ω
   E65-30 (MSWE) - Body ground	Always	Below 1 Ω
   H7-1 (E) - Body ground	Always	Below 1 Ω

Fig 3: Checking Harness And Connector (Outer Mirror Control ECU - Seat Memory Switch, Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE OUTER MIRROR CONTROL ECU