Toyota Tundra. Manual — part 599

Fig. 44: Indicator - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK FUSE (ECU-IG No. 1)

a. Remove the ECU-IG No. 1 fuse from the main body ECU.

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

Standard resistance

FUSE (ECU-IG No. 1) RESISTANCE SPECIFICATION

NG: REPLACE FUSE

OK: Go to next step

2. CHECK HARNESS AND CONNECTOR (ACCESSORY METER - BATTERY)

a. Disconnect the K20 meter connector.

b. Measure the voltage according to the value(s) in the table below.

Standard voltage

HARNESS AND CONNECTOR (ACCESSORY METER - BATTERY) VOLTAGE
SPECIFICATION

Tester Connection Condition Specified Condition

ECU-IG No. 1 fuse Always

Below 1 ohms

Tester Connection

Switch Condition Specified Condition

K20-23 (IG) - Body ground Ignition switch ON

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Parking Assist/Monitoring - Tundra

Fig. 45: Identifying K20 Meter Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

3. CHECK HARNESS AND CONNECTOR (ACCESSORY METER - ECU)

a. Disconnect the J35 ECU connector.

b. Disconnect the K20 meter connector.

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

Standard resistance

HARNESS AND CONNECTOR (ACCESSORY METER - ECU) RESISTANCE
SPECIFICATION

Tester Connection

Condition Specified Condition

J35-15 (L1) - K20-3 (RR)

Always

Below 1 ohms

J35-16 (L2) - K20-4 (FR)

Always

Below 1 ohms

J35-17 (L3) - K20-7 (RL)

Always

Below 1 ohms

J35-18 (L4) - K20-8 (FL)

Always

Below 1 ohms

J35-19 (L5) - K20-5 (BK)

Always

Below 1 ohms

J35-20 (L6) - K20-6 (OP)

Always

Below 1 ohms

J35-15 (L1) - Body ground Always

10 kohms or higher

J35-16 (L2) - Body ground Always

10 kohms or higher

J35-17 (L3) - Body ground Always

10 kohms or higher

J35-18 (L4) - Body ground Always

10 kohms or higher

J35-19 (L5) - Body ground Always

10 kohms or higher

J35-20 (L6) - Body ground Always

10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Parking Assist/Monitoring - Tundra

Fig. 46: Identifying J35 ECU And K20 Meter Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

4. REPLACE ACCESSORY METER ASSEMBLY

a. Replace the accessory meter with a normally functioning or new accessory meter (see

REMOVAL ).

b. Check that the accessory meter indicator operates normally.

OK: Accessory meter indicator operates normally.

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

OK: END (ACCESSORY METER IS DEFECTIVE)

REAR VIEW MONITOR SYSTEM

PARTS LOCATION

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Parking Assist/Monitoring - Tundra

Fig. 47: Identifying Rear View Monitor System Replacement Parts Location (1 Of 2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Parking Assist/Monitoring - Tundra