Inspection Procedure
- CHECK VEHICLE CONDITION
Result
RESULT REFERENCE CHARTResult Proceed to Daytime running light does not come on. A High beam headlight does not come on (Low beam headlight is normal). B B: Go to step 12
A: Go to next step.
- INSPECT RELAY (DRL NO. 2 AND DRL NO. 3)
- Inspect the DRL No. 2 relay.
- Remove the DRL No. 2 relay from the engine room relay block.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE REFERENCE CHARTTester connection Specified condition 3 - 5 10 kΩ or higher 3 - 5 Below 1 Ω (When battery voltage is applied to terminals 1 - 2)
- Inspect the DRL No. 3 relay.
- Remove the DRL No. 3 relay from the engine room relay block.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE REFERENCE CHARTTester connection Specified condition 3 - 4 Below 1 Ω 3 - 4 10 kΩ or higher (When battery voltage is applied to terminals 1 - 2)
NG: REPLACE RELAY
OK: Go to next step.
- Inspect the DRL No. 2 relay.
- INSPECT DAYTIME RUNNING LIGHT RESISTOR
- Remove the daytime running light resistor.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE REFERENCE CHARTTester connection Condition Specified resistance 1 - 2 Always Approx. 337 mΩ
NG: REPLACE DAYTIME RUNNING LIGHT RESISTOR
OK: Go to next step.
- INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Disconnect the 2C connector from the instrument panel junction block assembly.
- Using a service wire, connect 2C-23 of the wire harness side and body ground.
OK: Daytime running light (dimmed high beam headlight) comes on.
NG: Go to step 5
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Measure the voltage between the terminal on the wire harness side and body ground.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) 2C-23 - Body ground Always 10 to 14 V
OK: Go to step 7
NG: Go to next step.
- Measure the voltage between the terminal on the wire harness side and body ground.
- CHECK HARNESS AND CONNECTOR (BATTERY - DRL NO. 2 RELAY TERMINAL 1)
- Remove the DRL No. 2 relay from the engine room relay block.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 2 relay terminal 1 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - DRL NO. 2 RELAY TERMINAL 1)
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - DRL NO. 2 RELAY TERMINAL 2)
- CHECK HARNESS AND CONNECTOR (BATTERY - DRL NO. 2 RELAY TERMINAL 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 2 relay terminal 3 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- Measure the voltage according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (DRL NO. 2 RELAY TERMINAL 5 - BULB LH)
- Disconnect the 2C connector from the instrument panel junction block assembly.
- Using a service wire, connect 2C-23 of the wire harness side and body ground.
- Disconnect the H1 bulb connector.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) H1-1 (LH side) - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (BULB LH - BULB RH)
- Disconnect the H3 bulb connector
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) H3-2 (RH side) - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (BULB RH - DRL NO. 3 RELAY TERMINAL 3)
- Remove the DRL No. 3 relay.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 3 relay terminal 3 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (DRL NO. 3 RELAY TERMINAL 4 - DRL RESISTOR)
- Disconnect the D13 daytime running light resistor connector.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) D13-1 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DRL NO. 3 RELAY TERMINAL 4 - DRL RESISTOR)
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (DRL RESISTOR - BODY GROUND)
- INSPECT RELAY (DRL NO. 2, DRL NO. 3 AND DRL NO. 4)
- Inspect the DRL No. 2 and DRL No. 4 relays.
- Remove the DRL No. 2 relay and DRL No. 4 relay from the engine room relay block.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE REFERENCE CHARTTester connection Specified condition 3 - 5 10 kΩ or higher 3 - 5 Below 1 Ω (When battery voltage is applied to terminals 1 - 2)
- Inspect the DRL No. 3 relay.
- Remove the DRL No. 3 relay from the engine room relay block.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE REFERENCE CHARTTester connection Specified condition 3 - 5 10 kΩ or higher 3 - 5 Below 1 Ω (When battery voltage is applied to terminals 1 - 2) 3 - 4 10 kΩ or higher (When battery voltage is applied to terminals 1 - 2)
NG: REPLACE RELAY
OK: Go to next step.
- Inspect the DRL No. 2 and DRL No. 4 relays.
- INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Disconnect the 2C connector from the instrument panel junction block assembly.
- Using a service wire, connect 2C-10 of the wire harness side and body ground.
- Using a service wire, connect 2C-23 of the wire harness side and body ground.
OK: High beam headlight comes on.
NG: Go to step 14
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Measure the voltage between the terminal on the wire harness side and body ground.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) 2C-23 - Body ground Always 10 to 14 V
OK: Go to step 16
NG: Go to next step.
- Measure the voltage between the terminal on the wire harness side and body ground.
- CHECK HARNESS AND CONNECTOR (BATTERY - DRL NO. 2 RELAY TERMINAL 1)
- Remove the DRL No. 3 relay.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 2 relay terminal 1 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - DRL NO. 2 RELAY TERMINAL 1)
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - DRL NO. 2 RELAY TERMINAL 2)
- CHECK HARNESS AND CONNECTOR (BATTERY - DRL NO. 2 RELAY TERMINAL 3)
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 2 relay terminal 3 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- Measure the voltage according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (DRL NO. 2 RELAY TERMINAL 5 - DRL NO. 3 RELAY TERMINAL 5)
- Disconnect the 2C connector from the instrument panel junction block assembly.
- Using a service wire, connect 2C-10 of the wire harness side and body ground.
- Using a service wire, connect 2C-23 of the wire harness side and body ground.
- Remove the DRL No. 3 relay.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 3 relay terminal 5 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (DRL NO. 2 RELAY AND DRL NO. 3 RELAY - BULB)
- Disconnect the H1 and H3 bulb connectors
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) H1-1 (LH side) - Body ground Always 10 to 14 V H3-1 (RH side) - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step.
- CHECK HARNESS AND CONNECTOR (BULB - DRL NO. 4 RELAY TERMINAL 3)
- Remove the DRL No. 3 relay.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE CHARTTester connection Condition Specified voltage (V) Engine room relay block DRL No. 4 relay terminal 3 - Body ground Always 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (BULB - DRL NO. 4 RELAY TERMINAL 3)
OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (DRL NO. 4 RELAY TERMINAL 5 - BODY GROUND)